Fix some grammar in chrome/browser/ui/views/

chrome/browser/ui/views/frame/browser_view.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_VIEWS_FRAME_BROWSER_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 476 matching lines @@
   // Updates an optional child View, e.g. Bookmarks Bar, Info Bar, Download
   // Shelf. If |*old_view| differs from new_view, the old_view is removed and
   // the new_view is added. This is intended to be used when swapping in/out
   // child views that are referenced via a field.
   // Returns true if anything was changed, and a re-Layout is now required.
   bool UpdateChildViewAndLayout(views::View* new_view, views::View** old_view);
 
   // Invoked to update the necessary things when our fullscreen state changes
   // to |fullscreen|. On Windows this is invoked immediately when we toggle the
   // full screen state. On Linux changing the fullscreen state is async, so we
-  // ask the window to change it's fullscreen state, then when we get
+  // ask the window to change its fullscreen state, then when we get
   // notification that it succeeded this method is invoked.
   // If |url| is not empty, it is the URL of the page that requested fullscreen
   // (via the fullscreen JS API).
   // |bubble_type| determines what should be shown in the fullscreen exit
   // bubble.
   void ProcessFullscreen(bool fullscreen,
                          const GURL& url,
                          FullscreenExitBubbleType bubble_type);
 
   // Copy the accelerator table from the app resources into something we can
@@ skipping 177 matching lines @@
   PendingFullscreenRequest fullscreen_request_;
 
   BrowserWindowMoveObserver* move_observer_;
 
   gfx::ScopedSysColorChangeListener color_change_listener_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_