gtk: Hide the status bubble when the mouse nears it.

chrome/browser/tab_contents/tab_contents_delegate.h

 // Copyright (c) 2006-2008 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_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_
 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_
 
 #include <string>
 
 #include "app/gfx/native_widget_types.h"
@@ skipping 76 matching lines @@
     return source;
   }
 
   // Notification that some of our content has changed size as
   // part of an animation.
   virtual void ToolbarSizeChanged(TabContents* source, bool is_animating) = 0;
 
   // Notification that the starredness of the current URL changed.
   virtual void URLStarredChanged(TabContents* source, bool starred) = 0;
 
-  // Notification that the target URL has changed
+  // Notification that the target URL has changed.
   virtual void UpdateTargetURL(TabContents* source, const GURL& url) = 0;
 
-  // Notification that there was a mouse event
-  virtual void ContentsMouseEvent(TabContents* source, bool motion) { }
+  // Notification that there was a mouse event, along with the absolute
+  // coordinates of the mouse pointer and whether it was a normal motion event
+  // (otherwise, the pointer left the contents area).
+  virtual void ContentsMouseEvent(
+      TabContents* source, const gfx::Point& location, bool motion) { }
 
   // Request the delegate to change the zoom level of the current tab.
   virtual void ContentsZoomChange(bool zoom_in) { }
 
   // Check whether this contents is inside a window dedicated to running a web
   // application.
   virtual bool IsApplication() const { return false; }
 
   // Detach the given tab and convert it to a "webapp" view.  The tab must be
   // a TabContents with a valid WebApp set.
@@ skipping 130 matching lines @@
   }
 
   // Returns whether this tab contents should add navigations to history.
   virtual bool ShouldAddNavigationsToHistory() const { return true; }
 
  protected:
   ~TabContentsDelegate() {}
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_