Move a bunch more code into the content namespace.

content/browser/web_contents/web_contents_view_mac.mm

 // 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.
 
 #import <Carbon/Carbon.h>
 
 #import "content/browser/web_contents/web_contents_view_mac.h"
 
 #include <string>
 
@@ skipping 16 matching lines @@
 #import "ui/base/cocoa/focus_tracker.h"
 #include "ui/base/dragdrop/cocoa_dnd_util.h"
 #include "ui/gfx/image/image_skia_util_mac.h"
 
 using WebKit::WebDragOperation;
 using WebKit::WebDragOperationsMask;
 using content::PopupMenuHelper;
 using content::RenderWidgetHostView;
 using content::RenderWidgetHostViewMac;
 using content::WebContents;
+using content::WebContentsImpl;
 
 // Ensure that the WebKit::WebDragOperation enum values stay in sync with
 // NSDragOperation constants, since the code below static_casts between 'em.
 #define COMPILE_ASSERT_MATCHING_ENUM(name) \
   COMPILE_ASSERT(int(NS##name) == int(WebKit::Web##name), enum_mismatch_##name)
 COMPILE_ASSERT_MATCHING_ENUM(DragOperationNone);
 COMPILE_ASSERT_MATCHING_ENUM(DragOperationCopy);
 COMPILE_ASSERT_MATCHING_ENUM(DragOperationLink);
 COMPILE_ASSERT_MATCHING_ENUM(DragOperationGeneric);
 COMPILE_ASSERT_MATCHING_ENUM(DragOperationPrivate);
@@ skipping 482 matching lines @@
       [[[notification userInfo] objectForKey:kSelectionDirection]
         unsignedIntegerValue];
   if (direction == NSDirectSelection)
     return;
 
   [self webContents]->
       FocusThroughTabTraversal(direction == NSSelectingPrevious);
 }
 
 @end