[Extensions] Add logic for when to show the toolbar redesign bubble.

chrome/browser/ui/toolbar/toolbar_actions_bar.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_H_
 #define CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "base/scoped_observer.h"
 #include "chrome/browser/extensions/extension_toolbar_model.h"
 #include "chrome/browser/ui/toolbar/toolbar_actions_bar_bubble_delegate.h"
 #include "ui/gfx/animation/tween.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace extensions {
 class Extension;
 }
 
+namespace user_prefs {
+class PrefRegistrySyncable;
+}
+
 class ToolbarActionsBarDelegate;
 class ToolbarActionViewController;
 
 // A platform-independent version of the container for toolbar actions,
 // including extension actions and component actions.
 // This class manages the order of the actions, the actions' state, and owns the
 // action controllers, in addition to (for extensions) interfacing with the
 // extension toolbar model. Further, it manages dimensions for the bar,
 // excluding animations.
 // This can come in two flavors, main and "overflow". The main bar is visible
@@ skipping 36 matching lines @@
                     ToolbarActionsBar* main_bar);
   ~ToolbarActionsBar() override;
 
   // Returns the width of a browser action icon, optionally including the
   // following padding.
   static int IconWidth(bool include_padding);
 
   // Returns the height of a browser action icon.
   static int IconHeight();
 
+  // Registers profile preferences.
+  static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
+
   // Returns the preferred size for the toolbar; this does *not* reflect any
   // animations that may be running.
   gfx::Size GetPreferredSize() const;
 
   // Returns the [minimum|maximum] possible width for the toolbar.
   int GetMinimumWidth() const;
   int GetMaximumWidth() const;
 
   // Returns the width for the given number of icons.
   int IconCountToWidth(int icons) const;
@@ skipping 77 matching lines @@
   void OnToolbarExtensionUpdated(
       const extensions::Extension* extension) override;
   bool ShowExtensionActionPopup(const extensions::Extension* extension,
                                 bool grant_active_tab) override;
   void OnToolbarVisibleCountChanged() override;
   void OnToolbarHighlightModeChanged(bool is_highlighting) override;
   void OnToolbarModelInitialized() override;
   Browser* GetBrowser() override;
 
   // ToolbarActionsBarBubbleDelegate:
+  void OnToolbarActionsBarBubbleShown() override;
   void OnToolbarActionsBarBubbleClosed(CloseAction action) override;
 
   // Resizes the delegate (if necessary) to the preferred size using the given
   // |tween_type| and optionally suppressing the chevron.
   void ResizeDelegate(gfx::Tween::Type tween_type, bool suppress_chevron);
 
   // Returns the action for the given |id|, if one exists.
   ToolbarActionViewController* GetActionForId(const std::string& id);
 
   // Returns the current web contents.
@@ skipping 53 matching lines @@
   // alter.
   static bool send_overflowed_action_changes_;
 
   // True if an action in the overflow menu wants to run.
   bool overflowed_action_wants_to_run_;
 
   DISALLOW_COPY_AND_ASSIGN(ToolbarActionsBar);
 };
 
 #endif  // CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_H_