Zoom Extension API (chrome)

chrome/browser/ui/browser.h

 // Copyright (c) 2012 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_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 660 matching lines @@
   virtual void SetWebContentsBlocked(content::WebContents* web_contents,
                                      bool blocked) OVERRIDE;
   virtual web_modal::WebContentsModalDialogHost*
       GetWebContentsModalDialogHost() OVERRIDE;
 
   // Overridden from BookmarkTabHelperDelegate:
   virtual void URLStarredChanged(content::WebContents* web_contents,
                                  bool starred) OVERRIDE;
 
   // Overridden from ZoomObserver:
-  virtual void OnZoomChanged(content::WebContents* source,
-                             bool can_show_bubble) OVERRIDE;
+  virtual void OnZoomChanged(const OnZoomChangedEventData& data) OVERRIDE;
 
   // Overridden from SelectFileDialog::Listener:
   virtual void FileSelected(const base::FilePath& path,
                             int index,
                             void* params) OVERRIDE;
   virtual void FileSelectedWithExtraInfo(
       const ui::SelectedFileInfo& file_info,
       int index,
       void* params) OVERRIDE;
 
@@ skipping 54 matching lines @@
   // In-progress download termination handling /////////////////////////////////
 
   // Called when the window is closing to check if potential in-progress
   // downloads should prevent it from closing.
   // Returns true if the window can close, false otherwise.
   bool CanCloseWithInProgressDownloads();
 
   // Assorted utility functions ///////////////////////////////////////////////
 
   // Sets the specified browser as the delegate of the WebContents and all the
-  // associated tab helpers that are needed.
-  void SetAsDelegate(content::WebContents* web_contents, Browser* delegate);
+  // associated tab helpers that are needed. If |set_delegate| is true, this
+  // browser object is set as a delegate for |web_contents| components, else
+  // is is removed as a delegate.
+  void SetAsDelegate(content::WebContents* web_contents, bool set_delegate);
 
   // Shows the Find Bar, optionally selecting the next entry that matches the
   // existing search string for that Tab. |forward_direction| controls the
   // search direction.
   void FindInPage(bool find_next, bool forward_direction);
 
   // Closes the frame.
   // TODO(beng): figure out if we need this now that the frame itself closes
   //             after a return to the message loop.
   void CloseFrame();
@@ skipping 166 matching lines @@
   base::WeakPtrFactory<Browser> weak_factory_;
 
   scoped_ptr<BrowserContentTranslateDriverObserver> translate_driver_observer_;
 
   scoped_ptr<chrome::ValidationMessageBubble> validation_message_bubble_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_