Move Render(View|Widget)Host and associated classes to content namespace.

content/browser/tab_contents/web_drag_source_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 "content/browser/tab_contents/web_drag_source_mac.h"
 
 #include <sys/param.h>
 
 #include "base/bind.h"
 #include "base/file_path.h"
@@ skipping 14 matching lines @@
 #include "net/base/file_stream.h"
 #include "net/base/net_util.h"
 #include "ui/base/clipboard/custom_data_helper.h"
 #include "ui/gfx/mac/nsimage_cache.h"
 #include "webkit/glue/webdropdata.h"
 
 using base::SysNSStringToUTF8;
 using base::SysUTF8ToNSString;
 using base::SysUTF16ToNSString;
 using content::BrowserThread;
+using content::RenderViewHostImpl;
 using net::FileStream;
 
 namespace {
 
 // An unofficial standard pasteboard title type to be provided alongside the
 // |NSURLPboardType|.
 NSString* const kNSURLTitlePboardType = @"public.url-name";
 
 // Converts a string16 into a FilePath. Use this method instead of
 // -[NSString fileSystemRepresentation] to prevent exceptions from being thrown.
@@ skipping 398 matching lines @@
 
 - (NSImage*)dragImage {
   if (dragImage_)
     return dragImage_;
 
   // Default to returning a generic image.
   return gfx::GetCachedImageWithName(@"nav.pdf");
 }
 
 @end  // @implementation WebDragSource (Private)