Revert 87415 - Convert more interfaces to the new thunk system. This goes up to and including

ppapi/proxy/ppb_buffer_proxy.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 "ppapi/proxy/ppb_buffer_proxy.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "build/build_config.h"
@@ skipping 23 matching lines @@
  public:
   Buffer(const HostResource& resource,
          int memory_handle,
          uint32_t size);
   virtual ~Buffer();
 
   // Resource overrides.
   virtual Buffer* AsBuffer() OVERRIDE;
 
   // ResourceObjectBase overries.
-  virtual ppapi::thunk::PPB_Buffer_API* AsPPB_Buffer_API() OVERRIDE;
+  virtual ppapi::thunk::PPB_Buffer_API* AsBuffer_API() OVERRIDE;
 
   // PPB_Buffer_API implementation.
   virtual PP_Bool Describe(uint32_t* size_in_bytes) OVERRIDE;
   virtual PP_Bool IsMapped() OVERRIDE;
   virtual void* Map() OVERRIDE;
   virtual void Unmap() OVERRIDE;
 
  private:
   int memory_handle_;
   uint32_t size_;
@@ skipping 13 matching lines @@
 }
 
 Buffer::~Buffer() {
   Unmap();
 }
 
 Buffer* Buffer::AsBuffer() {
   return this;
 }
 
-ppapi::thunk::PPB_Buffer_API* Buffer::AsPPB_Buffer_API() {
+ppapi::thunk::PPB_Buffer_API* Buffer::AsBuffer_API() {
   return this;
 }
 
 PP_Bool Buffer::Describe(uint32_t* size_in_bytes) {
   *size_in_bytes = size_;
   return PP_TRUE;
 }
 
 PP_Bool Buffer::IsMapped() {
   return PP_FromBool(!!mapped_data_);
@@ skipping 64 matching lines @@
                                    int* result_shm_handle) {
   result_resource->SetHostResource(
       instance,
       ppb_buffer_target()->Create(instance, size));
   // TODO(brettw) set the shm handle from a trusted interface.
   *result_shm_handle = 0;
 }
 
 }  // namespace proxy
 }  // namespace pp