Multi-tab selection for Linux.

chrome/browser/ui/gtk/tabs/tab_strip_gtk.h

Index: chrome/browser/ui/gtk/tabs/tab_strip_gtk.h
diff --git a/chrome/browser/ui/gtk/tabs/tab_strip_gtk.h b/chrome/browser/ui/gtk/tabs/tab_strip_gtk.h
index 4fe7519c37b1e931f67aa3e223fd91c278667941..5e3a833275b35aeacaea6981897bcef61d766231 100644
--- a/chrome/browser/ui/gtk/tabs/tab_strip_gtk.h
+++ b/chrome/browser/ui/gtk/tabs/tab_strip_gtk.h
@@ -114,6 +114,8 @@ class TabStripGtk : public TabStripModelObserver,
   virtual void TabMoved(TabContentsWrapper* contents,
                         int from_index,
                         int to_index);
+  virtual void TabSelectionChanged(const std::vector<int>& previously_selected,
+                                   const std::vector<int>& currently_selected);
   virtual void TabChangedAt(TabContentsWrapper* contents, int index,
                             TabChangeType change_type);
   virtual void TabReplacedAt(TabStripModel* tab_strip_model,
@@ -125,10 +127,13 @@ class TabStripGtk : public TabStripModelObserver,
                                       int index);
 
   // TabGtk::TabDelegate implementation:
+  virtual bool IsTabActive(const TabGtk* tab) const;
   virtual bool IsTabSelected(const TabGtk* tab) const;
   virtual bool IsTabPinned(const TabGtk* tab) const;
   virtual bool IsTabDetached(const TabGtk* tab) const;
-  virtual void SelectTab(TabGtk* tab);
+  virtual void ActivateTab(TabGtk* tab);
+  virtual void ToggleTabSelection(TabGtk* tab);
+  virtual void ExtendTabSelection(TabGtk* tab);
   virtual void CloseTab(TabGtk* tab);
   virtual bool IsCommandEnabledForTab(
       TabStripModel::ContextMenuCommand command_id, const TabGtk* tab) const;
@@ -144,6 +149,7 @@ class TabStripGtk : public TabStripModelObserver,
   virtual bool EndDrag(bool canceled);
   virtual bool HasAvailableDragActions() const;
   virtual ui::ThemeProvider* GetThemeProvider();
+  virtual TabStripMenuController* GetTabStripMenuControllerForTab(TabGtk* tab);
 
   // MessageLoop::Observer implementation:
   virtual void WillProcessEvent(GdkEvent* event);