GTK: Create the start of a compatibility header wrapping deprecated methods.

content/browser/renderer_host/render_widget_host_view_gtk.cc

 // Copyright (c) 2011 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/renderer_host/render_widget_host_view_gtk.h"
 
 // If this gets included after the gtk headers, then a bunch of compiler
 // errors happen because of a "#define Status int" in Xlib.h, which interacts
 // badly with net::URLRequestStatus::Status.
 #include "content/common/view_messages.h"
@@ skipping 1365 matching lines @@
 gfx::Point RenderWidgetHostViewGtk::GetWidgetCenter() {
   if (widget_center_valid_)
     return widget_center_;
 
   GdkWindow* window = gtk_widget_get_window(view_.get());
   gint window_x = 0;
   gint window_y = 0;
   gdk_window_get_origin(window, &window_x, &window_y);
   gint window_w = 0;
   gint window_h = 0;
-  gdk_drawable_get_size(window, &window_w, &window_h);
+  gdk_window_get_size(window, &window_w, &window_h);
 
   widget_center_.SetPoint(window_x + window_w / 2,
                           window_y + window_h / 2);
   widget_center_valid_ = true;
   return widget_center_;
 }
 
 void RenderWidgetHostViewGtk::ModifyEventMovementAndCoords(
     WebKit::WebMouseEvent* event) {
   // Movement is computed by taking the difference of the new cursor position
@@ skipping 22 matching lines @@
   }
 }
 
 // static
 void RenderWidgetHostView::GetDefaultScreenInfo(
     WebKit::WebScreenInfo* results) {
   GdkWindow* gdk_window =
       gdk_display_get_default_group(gdk_display_get_default());
   content::GetScreenInfoFromNativeWindow(gdk_window, results);
 }