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

chrome/browser/ui/views/frame/browser_view.cc

 // 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.
 
 #include "chrome/browser/ui/views/frame/browser_view.h"
 
 #if defined(TOOLKIT_USES_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 793 matching lines @@
 }
 
 void BrowserView::EnterFullscreen(
     const GURL& url, FullscreenExitBubbleType bubble_type) {
   if (IsFullscreen())
     return;  // Nothing to do.
 
 #if defined(OS_WIN) || defined(USE_AURA)
   ProcessFullscreen(true, url, bubble_type);
 #else
-  // On Linux/gtk changing fullscreen is async. Ask the window to change it's
+  // On Linux/gtk changing fullscreen is async. Ask the window to change its
   // fullscreen state, and when done invoke ProcessFullscreen.
   fullscreen_request_.pending = true;
   fullscreen_request_.url = url;
   fullscreen_request_.bubble_type = bubble_type;
   frame_->SetFullscreen(true);
 #endif
 }
 
 void BrowserView::ExitFullscreen() {
   if (!IsFullscreen())
     return;  // Nothing to do.
 
 #if defined(OS_WIN) || defined(USE_AURA)
   ProcessFullscreen(false, GURL(), FEB_TYPE_NONE);
 #else
   fullscreen_request_.pending = false;
-  // On Linux changing fullscreen is async. Ask the window to change it's
+  // On Linux changing fullscreen is async. Ask the window to change its
   // fullscreen state, and when done invoke ProcessFullscreen.
   frame_->SetFullscreen(false);
 #endif
 }
 
 void BrowserView::UpdateFullscreenExitBubbleContent(
     const GURL& url,
     FullscreenExitBubbleType bubble_type) {
   if (fullscreen_bubble_.get())
     fullscreen_bubble_->UpdateContent(url, bubble_type);
@@ skipping 1622 matching lines @@
   browser::CreateViewsBubble(bubble);
   bubble->SetAlignment(views::BubbleBorder::ALIGN_EDGE_TO_ANCHOR_EDGE);
   bubble->Show();
 }
 
 void BrowserView::ShowAvatarBubbleFromAvatarButton() {
   AvatarMenuButton* button = frame_->GetAvatarMenuButton();
   if (button)
     button->ShowAvatarBubble();
 }