Make extensions that desire to act pop out if in overflow

chrome/browser/ui/views/toolbar/browser_actions_container.h

Index: chrome/browser/ui/views/toolbar/browser_actions_container.h
diff --git a/chrome/browser/ui/views/toolbar/browser_actions_container.h b/chrome/browser/ui/views/toolbar/browser_actions_container.h
index 98d2464e356334348ece318151dc27b1f8e6fb64..d42fb06b781aefe478367cbfe36150c04096542e 100644
--- a/chrome/browser/ui/views/toolbar/browser_actions_container.h
+++ b/chrome/browser/ui/views/toolbar/browser_actions_container.h
@@ -235,7 +235,7 @@ class BrowserActionsContainer
   virtual void AnimationEnded(const gfx::Animation* animation) override;
 
   // Overridden from BrowserActionView::Delegate:
-  virtual content::WebContents* GetCurrentWebContents() override;
+  virtual content::WebContents* GetCurrentWebContents() const override;
   virtual bool ShownInsideMenu() const override;
   virtual void OnBrowserActionViewDragDone() override;
   virtual views::MenuButton* GetOverflowReferenceView() override;
@@ -289,6 +289,8 @@ class BrowserActionsContainer
       bool grant_active_tab) override;
   virtual void ToolbarVisibleCountChanged() override;
   virtual void ToolbarHighlightModeChanged(bool is_highlighting) override;
+  virtual void ToolbarReorderNecessary(content::WebContents* web_contents)
+      override;
   virtual Browser* GetBrowser() override;
 
   void LoadImages();
@@ -327,6 +329,9 @@ class BrowserActionsContainer
   // the target size).
   void Animate(gfx::Tween::Type type, size_t num_visible_icons);
 
+  // Reorder the views to match the toolbar model for the active tab.
+  void ReorderViews();
+
   // Returns the number of icons that this container should draw. This differs
   // from the model's GetVisibleIconCount if this container is for the overflow.
   size_t GetIconCount() const;
@@ -379,6 +384,13 @@ class BrowserActionsContainer
   // Don't show the chevron while animating.
   bool suppress_chevron_;
 
+  // True if we should suppress animation.
+  bool suppress_animation_;
+
+  // True if we should suppress layout, such as when we are creating or
+  // adjusting a lot of views.
+  bool suppress_layout_;
+
   // This is used while the user is resizing (and when the animations are in
   // progress) to know how wide the delta is between the current state and what
   // we should draw.