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

content/browser/tab_contents/web_drag_source_gtk.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 "content/browser/tab_contents/web_drag_source_gtk.h"
 
 #include <string>
 
 #include "base/file_util.h"
 #include "base/nix/mime_util_xdg.h"
@@ skipping 11 matching lines @@
 #include "net/base/file_stream.h"
 #include "net/base/net_util.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/clipboard/custom_data_helper.h"
 #include "ui/base/dragdrop/gtk_dnd_util.h"
 #include "ui/base/gtk/gtk_compat.h"
 #include "ui/base/gtk/gtk_screen_utils.h"
 #include "ui/gfx/gtk_util.h"
 #include "webkit/glue/webdropdata.h"
 
+using content::RenderViewHostImpl;
+using content::WebContents;
 using WebKit::WebDragOperation;
 using WebKit::WebDragOperationsMask;
 using WebKit::WebDragOperationNone;
-using content::WebContents;
 
 namespace content {
 
 WebDragSourceGtk::WebDragSourceGtk(WebContents* web_contents)
     : web_contents_(web_contents),
       drag_pixbuf_(NULL),
       drag_failed_(false),
       drag_widget_(gtk_invisible_new()),
       drag_context_(NULL),
       drag_icon_(gtk_window_new(GTK_WINDOW_POPUP)) {
@@ skipping 354 matching lines @@
   cairo_clip(cr);
   cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
   gdk_cairo_set_source_pixbuf(cr, drag_pixbuf_, 0, 0);
   cairo_paint(cr);
   cairo_destroy(cr);
 
   return TRUE;
 }
 
 }  // namespace content