Add a context menu to the tab strip. It appears when you click in the

chrome/browser/gtk/tabs/tab_strip_gtk.cc

Index: chrome/browser/gtk/tabs/tab_strip_gtk.cc
diff --git a/chrome/browser/gtk/tabs/tab_strip_gtk.cc b/chrome/browser/gtk/tabs/tab_strip_gtk.cc
index 2d80179ca728fb35477cb0cb7f91c73a3caf0b38..bdb526dea2535db0b3bb2e42c19d67f814a5871a 100644
--- a/chrome/browser/gtk/tabs/tab_strip_gtk.cc
+++ b/chrome/browser/gtk/tabs/tab_strip_gtk.cc
@@ -467,6 +467,8 @@ void TabStripGtk::Init(int width, Profile* profile) {
                    G_CALLBACK(OnExpose), this);
   g_signal_connect(G_OBJECT(tabstrip_.get()), "size-allocate",
                      G_CALLBACK(OnSizeAllocate), this);
+  g_signal_connect(G_OBJECT(tabstrip_.get()), "button-press-event",
+                   G_CALLBACK(OnButtonPress), this);
 
   newtab_button_.reset(MakeNewTabButton());
 
@@ -1089,6 +1091,15 @@ void TabStripGtk::OnSizeAllocate(GtkWidget* widget, GtkAllocation* allocation,
 }
 
 // static
+gboolean TabStripGtk::OnButtonPress(GtkWidget* widget, GdkEventButton* event,
+                                    TabStripGtk* tabstrip) {
+  if (3 == event->button)
+    tabstrip->ShowContextMenu();
+
+  return TRUE;
+}
+
+// static
 void TabStripGtk::OnNewTabClicked(GtkWidget* widget, TabStripGtk* tabstrip) {
   tabstrip->model_->delegate()->AddBlankTab(true);
 }
@@ -1115,3 +1126,61 @@ CustomDrawButton* TabStripGtk::MakeNewTabButton() {
 
   return button;
 }
+
+void TabStripGtk::ShowContextMenu() {
+  if (!context_menu_.get()) {
+    context_menu_.reset(new MenuGtk(this, false));
+    context_menu_->AppendMenuItemWithLabel(
+        TabStripModel::CommandNewTab,
+        l10n_util::GetStringUTF8(IDS_TAB_CXMENU_NEWTAB));
+    context_menu_->AppendMenuItemWithLabel(
+        TabStripModel::CommandRestoreTab,
+        l10n_util::GetStringUTF8(IDS_RESTORE_TAB));
+
+    context_menu_->AppendSeparator();
+
+    context_menu_->AppendMenuItemWithLabel(
+        TabStripModel::CommandTaskManager,
+        l10n_util::GetStringUTF8(IDS_TASK_MANAGER));
+  }
+
+  context_menu_->PopupAsContext(gtk_get_current_event_time());
+}
+
+bool TabStripGtk::IsCommandEnabled(int command_id) const {
+  switch (command_id) {
+    case TabStripModel::CommandNewTab:
+      return true;
+
+    case TabStripModel::CommandRestoreTab:
+      return model_->delegate()->CanRestoreTab();
+
+    case TabStripModel::CommandTaskManager:
+      // TODO(tc): This needs to be implemented in the TabStripModelDelegate.
+      return false;
+
+    default:
+      NOTREACHED();
+  }
+  return false;
+}
+
+void TabStripGtk::ExecuteCommand(int command_id) {
+  switch (command_id) {
+    case TabStripModel::CommandNewTab:
+      model_->delegate()->AddBlankTab(true);
+      break;
+
+    case TabStripModel::CommandRestoreTab:
+      model_->delegate()->RestoreTab();
+      break;
+
+    case TabStripModel::CommandTaskManager:
+      // TODO(tc): This needs to be implemented in the TabStripModelDelegate.
+      NOTIMPLEMENTED();
+      break;
+
+    default:
+      NOTREACHED();
+  }
+}