Convert more interfaces to the new thunk system. This goes up to and including

webkit/plugins/ppapi/ppb_graphics_2d_impl.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 "webkit/plugins/ppapi/ppb_graphics_2d_impl.h"
 
 #include <iterator>
 
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 158 matching lines @@
   if (!image_data_->Init(PPB_ImageData_Impl::GetNativeImageDataFormat(),
                          width, height, true) ||
       !image_data_->Map()) {
     image_data_ = NULL;
     return false;
   }
   is_always_opaque_ = is_always_opaque;
   return true;
 }
 
-::ppapi::thunk::PPB_Graphics2D_API* PPB_Graphics2D_Impl::AsGraphics2D_API() {
+::ppapi::thunk::PPB_Graphics2D_API*
+PPB_Graphics2D_Impl::AsPPB_Graphics2D_API() {
   return this;
 }
 
 PPB_Graphics2D_Impl* PPB_Graphics2D_Impl::AsPPB_Graphics2D_Impl() {
   return this;
 }
 
 PP_Bool PPB_Graphics2D_Impl::Describe(PP_Size* size,
                                       PP_Bool* is_always_opaque) {
   size->width = image_data_->width();
@@ skipping 416 matching lines @@
 }
 
 bool PPB_Graphics2D_Impl::HasPendingFlush() const {
   return !unpainted_flush_callback_.is_null() ||
          !painted_flush_callback_.is_null() ||
          offscreen_flush_pending_;
 }
 
 }  // namespace ppapi
 }  // namespace webkit