Experiment with dislodging the Extension Shelf and having it only appear on t...

chrome/browser/browser.h

 // Copyright (c) 2006-2009 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_BROWSER_H_
 #define CHROME_BROWSER_BROWSER_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 255 matching lines @@
   void BrowserShowHtmlDialog(HtmlDialogUIDelegate* delegate,
                              gfx::NativeWindow parent_window);
 
   // Called when a popup select is about to be displayed.
   void BrowserRenderWidgetShowing();
 
   // Notification that some of our content has changed size as
   // part of an animation.
   void ToolbarSizeChanged(bool is_animating);
 
+  // Notification that the extension shelf has changed size (as a result of
+  // becoming detached or attached).
+  void ExtensionShelfSizeChanged();
+
   // Replaces the state of the currently selected tab with the session
   // history restored from the SessionRestore system.
   void ReplaceRestoredTab(
       const std::vector<TabNavigation>& navigations,
       int selected_navigation);
 
   // Returns true if a tab can be restored.
   virtual bool CanRestoreTab();
 
   // Show a DOMUI tab given a URL. If a tab with the same URL is already
@@ skipping 80 matching lines @@
   // Show various bits of UI
   void OpenFile();
   void OpenCreateShortcutsDialog();
   void ToggleDevToolsWindow();
   void OpenTaskManager();
   void OpenSelectProfileDialog();
   void OpenNewProfileDialog();
   void OpenBugReportDialog();
 
   void ToggleBookmarkBar();
+  void ToggleExtensionShelf();
 
   void OpenBookmarkManager();
   void ShowAppMenu();
   void ShowPageMenu();
   void ShowHistoryTab();
   void ShowDownloadsTab();
   void OpenClearBrowsingDataDialog();
   void OpenOptionsDialog();
   void OpenKeywordEditor();
   void OpenPasswordManager();
@@ skipping 397 matching lines @@
   // The browser idle task helps cleanup unused memory resources when idle.
   scoped_ptr<BrowserIdleTimer> idle_task_;
 
   // Keep track of the encoding auto detect pref.
   BooleanPrefMember encoding_auto_detect_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_H_