diff --git a/browser/ui/tabs/gmail_fetcher.cc b/browser/ui/tabs/gmail_fetcher.cc
index 1b8a98cd8ac1..0b792b63dbf0 100644
--- a/browser/ui/tabs/gmail_fetcher.cc
+++ b/browser/ui/tabs/gmail_fetcher.cc
@@ -2,6 +2,7 @@
 
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_handle.h"
+#include "content/browser/web_contents/web_contents_impl.h"
 
 // Constructor
 GmailFetcher::GmailFetcher(base::raw_ptr<Profile> profile) : profile_(profile) {
@@ -10,12 +11,14 @@ GmailFetcher::GmailFetcher(base::raw_ptr<Profile> profile) : profile_(profile) {
 
 // Destructor
 GmailFetcher::~GmailFetcher() {
-    DestroyGmailContents();
+    // DestroyGmailContents();
     LOG(INFO) << "GmailFetcher destroyed";
+    LOG(INFO) << gmail_contents_.get();
 }
 
 // Fetch Gmail
 void GmailFetcher::FetchGmail() {
+    LOG(INFO) << "webcontents Profile: " << profile_;
     content::WebContents::CreateParams create_params(profile_);
     create_params.initially_hidden = true; // WebContents is hidden
     create_params.desired_renderer_state = content::WebContents::CreateParams::kNoRendererProcess;
@@ -26,12 +29,22 @@ void GmailFetcher::FetchGmail() {
     // Start observing WebContents for navigation events
     Observe(gmail_contents_.get());
 
-    gmail_contents_->GetController().LoadURL(GURL("https://www.google.com"), content::Referrer(), ui::PAGE_TRANSITION_TYPED, std::string());
+    gmail_contents_->GetController().LoadURL(GURL("https://mail.google.com/mail/u/0/"), content::Referrer(), ui::PAGE_TRANSITION_TYPED, std::string());
     LOG(INFO) << "Loading Gmail URL: " << gmail_contents_->GetURL().spec();
 }
 
+void GmailFetcher::SetNavigationSuccessCallback(NavigationSuccessCallback callback) {
+    success_callback_ = std::move(callback);
+}
+
+
 // Handle navigation completion
 void GmailFetcher::DidFinishNavigation(content::NavigationHandle* navigation_handle) {
+
+    if (!gmail_contents_) {
+        LOG(INFO) << "Navigation handle received but WebContents is already destroyed.";
+        return;
+    }
     LOG(INFO) << "Navigation completed for URL: " << navigation_handle->GetURL().spec();
     LOG(INFO) << "Net error code: " << navigation_handle->GetNetErrorCode();
     LOG(INFO) << "Is error page: " << navigation_handle->IsErrorPage();
@@ -42,6 +55,11 @@ void GmailFetcher::DidFinishNavigation(content::NavigationHandle* navigation_han
 
     if (navigation_handle->HasCommitted() && !navigation_handle->IsErrorPage()) {
         LOG(INFO) << "Navigation finished. Committed URL: " << navigation_handle->GetURL().spec();
+
+        // Invoke the success callback if it's set
+        if (success_callback_) {
+            success_callback_(navigation_handle->GetURL());
+        }
     } else {
         LOG(INFO) << "Navigation did not commit successfully.";
     }
diff --git a/browser/ui/tabs/gmail_fetcher.h b/browser/ui/tabs/gmail_fetcher.h
index c1e310e38ab5..7413373449c8 100644
--- a/browser/ui/tabs/gmail_fetcher.h
+++ b/browser/ui/tabs/gmail_fetcher.h
@@ -8,24 +8,32 @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 
-// GmailFetcher class declaration
 class GmailFetcher : public KeyedService, public content::WebContentsObserver {
 public:
+    using NavigationSuccessCallback = std::function<void(const GURL&)>;
+
     explicit GmailFetcher(base::raw_ptr<Profile> profile);
     ~GmailFetcher() override;
 
     // Initiates fetching Gmail
     void FetchGmail();
 
+    // Sets the success callback
+    void SetNavigationSuccessCallback(NavigationSuccessCallback callback);
+
     // Destroys the WebContents instance
     void DestroyGmailContents();
 
     // content::WebContentsObserver overrides
     void DidFinishNavigation(content::NavigationHandle* navigation_handle) override;
 
+    base::WeakPtr<GmailFetcher> GetWeakPtr() {
+        return weak_ptr_factory_.GetWeakPtr();
+    }
 private:
     base::raw_ptr<Profile> profile_; // Profile associated with this fetcher
     std::unique_ptr<content::WebContents> gmail_contents_; // Stores the WebContents instance
+    NavigationSuccessCallback success_callback_; // Success callback for navigation
 
     base::WeakPtrFactory<GmailFetcher> weak_ptr_factory_{this}; // For creating weak pointers
 };
diff --git a/browser/ui/views/toolbar/brave_toolbar_view.cc b/browser/ui/views/toolbar/brave_toolbar_view.cc
index b7b44fac5334..852da40ca0f6 100644
--- a/browser/ui/views/toolbar/brave_toolbar_view.cc
+++ b/browser/ui/views/toolbar/brave_toolbar_view.cc
@@ -250,7 +250,7 @@ void BraveToolbarView::Init() {
 
   custom_button_ = container_view->AddChildViewAt(
       std::make_unique<views::LabelButton>(
-          base::BindRepeating(&BraveToolbarView::ShowCustomPopup, base::Unretained(this)),
+          base::BindRepeating(&BraveToolbarView::FetchGmailOnClick, base::Unretained(this)),
           u"Custom Button"),
       *container_view->GetIndexOf(GetAppMenuButton()) - 1);
 
@@ -536,34 +536,24 @@ void BraveToolbarView::UpdateWalletButtonVisibility() {
   wallet_->SetVisible(false);
 }
 
-void BraveToolbarView::ShowCustomPopup() {
+void BraveToolbarView::FetchGmailOnClick() {
 
-      // Get the current profile
     Profile* profile = browser()->profile();
-    // LOG(INFO) << "---*profile*--- "<< profile << " --------";
 
-    // Create an instance of GmailFetcher
-    auto gmail_fetcher = std::make_unique<GmailFetcher>(base::raw_ptr<Profile>(profile));
-    // LOG(INFO) << "---*gmail_fetcher*--- "<< gmail_fetcher << " --------";
+    // Create an instance of GmailFetcher directly as a raw pointer
+    auto* gmail_fetcher = new GmailFetcher(base::raw_ptr<Profile>(profile));
 
-    // Call FetchGmail to load Gmail URL
+    LOG(INFO) << "Created GmailFetcher with profile: " << profile;
+
+    // Set navigation success callback
+    gmail_fetcher->SetNavigationSuccessCallback([gmail_fetcher](const GURL& url) {
+        LOG(INFO) << "GmailFetcher navigation succeeded for URL: " << url.spec();
+        gmail_fetcher->DestroyGmailContents();
+        delete gmail_fetcher; 
+    });
+
+    // Trigger navigation
     gmail_fetcher->FetchGmail();
-  // Create a simple popup dialog (for demonstration purposes).
-
-  // views::DialogDelegate::CreateDialogWidget(
-  //   views::Builder<views::DialogDelegateView>()
-  //       .SetTitle(u"Custom Note Popup")
-  //       .SetLayoutManager(std::make_unique<views::BoxLayout>(
-  //           views::BoxLayout::Orientation::kVertical))
-  //       .AddChildren(
-  //           views::Builder<views::Textfield>(), // Add text input for note
-  //           views::Builder<views::LabelButton>()
-  //               .SetText(u"Add Note"),
-  //           views::Builder<views::LabelButton>()
-  //               .SetText(u"Delete All Notes")
-  //       )
-  //       .Build(),
-  //   browser_view_->GetWidget()->GetNativeWindow(), nullptr)->Show();
 }
 
 BEGIN_METADATA(BraveToolbarView)
diff --git a/browser/ui/views/toolbar/brave_toolbar_view.h b/browser/ui/views/toolbar/brave_toolbar_view.h
index 1029826d0819..434b11d56efb 100644
--- a/browser/ui/views/toolbar/brave_toolbar_view.h
+++ b/browser/ui/views/toolbar/brave_toolbar_view.h
@@ -77,7 +77,7 @@ class BraveToolbarView : public ToolbarView,
   raw_ptr<views::Textfield> text_field_ = nullptr;
   raw_ptr<PrefService> pref_service_ = nullptr;
   raw_ptr<views::Button> custom_button_ = nullptr;
-  void ShowCustomPopup();
+  void FetchGmailOnClick();
 
   // ToolbarButtonProvider:
   views::View* GetAnchorView(std::optional<PageActionIconType> type) override;