Move RenderWidgetHostView into content namespace. Fix include paths.

content/browser/tab_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/tab_contents/web_contents_view_mac.h"
 
 #include <string>
 
 #import "base/mac/scoped_sending_event.h"
 #import "base/message_pump_mac.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
 #include "content/browser/renderer_host/render_widget_host.h"
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 #include "content/browser/tab_contents/popup_menu_helper_mac.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #import "content/browser/tab_contents/web_drag_dest_mac.h"
 #import "content/browser/tab_contents/web_drag_source_mac.h"
 #include "content/common/view_messages.h"
+#include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_view_mac_delegate.h"
-#include "content/public/browser/web_contents_delegate.h"
 #include "skia/ext/skia_utils_mac.h"
 #import "third_party/mozilla/NSPasteboard+Utils.h"
 #import "ui/base/cocoa/focus_tracker.h"
 
 using WebKit::WebDragOperation;
 using WebKit::WebDragOperationsMask;
+using content::RenderWidgetHostView;
 using content::WebContents;
 
 // 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);
@@ skipping 564 matching lines @@
       [[[notification userInfo] objectForKey:kSelectionDirection]
         unsignedIntegerValue];
   if (direction == NSDirectSelection)
     return;
 
   [self tabContents]->
       FocusThroughTabTraversal(direction == NSSelectingPrevious);
 }
 
 @end