CompactNavigationBar for toolkit views build, with some design change per Cole's request.

chrome/browser/views/frame/browser_extender.h

 // Copyright (c) 2009 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_VIEWS_FRAME_BROWSER_EXTENDER_H_
 #define CHROME_BROWSER_VIEWS_FRAME_BROWSER_EXTENDER_H_
 
 #include "base/basictypes.h"
 #include "base/gfx/rect.h"
 
 class BrowserView;
 
 namespace views {
 class Window;
 }  // namespace views
 
 
 // BrowserExtender adds chromeos specific features to BrowserView.
 // The factory method |Create(BrowserView*)| creates different types
 // of extender depending on the type of BrowserView and target platform.
-// Please see chromeos_browser_extender.cc for ChromeOS extenders, and
+// Please see chromeos_browser_extenders.cc for ChromeOS extenders, and
 // standard_extender.cc for Chrome browser.
 class BrowserExtender {
  public:
   // Factory method to create a BrowserExtender for given
   // BrowserView object. Please see the class description for details.
   static BrowserExtender* Create(BrowserView* browser_view);
 
   virtual ~BrowserExtender() {}
 
   // Initializes the extender.
   virtual void Init() = 0;
 
   // Layouts controls within the given bounds and returns the remaining
   // bounds for tabstip to be layed out.
-  virtual gfx::Rect Layout(const gfx::Rect& bounds) { return bounds; }
+  virtual gfx::Rect Layout(const gfx::Rect& bounds) = 0;
 
   // Tests if the given |point|, which is given in BrowserView coordinates,
   // hits any of controls.
   virtual bool NonClientHitTest(const gfx::Point& browser_view_point) = 0;
 
   // Updates the title bar (if any).
-  virtual void UpdateTitleBar() {}
+  virtual void UpdateTitleBar() = 0;
 
   // Called when the BrowserView is shown.
   virtual void Show() = 0;
 
   // Called when the BrowserView is closed.
-  virtual void Close() {}
+  virtual void Close() = 0;
 
   // Called when the browser window is either activated or deactivated.
-  virtual void ActivationChanged() {}
+  virtual void ActivationChanged() = 0;
+
+  // Returns true to hide the toolbar for the window, or false
+  // to use the regular logic to decide.
+  virtual bool ShouldForceHideToolbar() = 0;
+
+  // Toggles the visibility of CompactNavigationBar.
+  virtual void ToggleCompactNavigationBar() = 0;
 
   // Tells if the browser can be closed.
   bool can_close() const {
     return can_close_;
   }
 
   // Specifies if the browser can be closed or not. This typically set
   // to false when the browser is being dragged.
   void set_can_close(bool b) {
     can_close_ = b;
@@ skipping 13 matching lines @@
   // BrowserView to be extended.
   BrowserView* browser_view_;
 
   // True if the browser can be closed. See set_can_close method for setails.
   bool can_close_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserExtender);
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_BROWSER_EXTENDER_H_
-