Moved creation of GPU transfer buffers into the browser process....

ppapi/proxy/ppb_context_3d_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_context_3d_proxy.h"
 
 #include "base/hash_tables.h"
 #include "gpu/command_buffer/client/gles2_cmd_helper.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "ppapi/c/pp_errors.h"
@@ skipping 159 matching lines @@
   virtual ~PepperCommandBuffer();
 
   // CommandBuffer implementation:
   virtual bool Initialize(int32 size);
   virtual gpu::Buffer GetRingBuffer();
   virtual State GetState();
   virtual void Flush(int32 put_offset);
   virtual State FlushSync(int32 put_offset);
   virtual void SetGetOffset(int32 get_offset);
   virtual int32 CreateTransferBuffer(size_t size);
+  virtual int32 RegisterTransferBuffer(
+    base::SharedMemory* shared_memory,
+    size_t size);
   virtual void DestroyTransferBuffer(int32 id);
   virtual gpu::Buffer GetTransferBuffer(int32 handle);
   virtual void SetToken(int32 token);
   virtual void SetParseError(gpu::error::Error error);
 
  private:
   bool Send(IPC::Message* msg);
 
   int32 num_entries_;
   scoped_ptr<base::SharedMemory> ring_buffer_;
@@ skipping 103 matching lines @@
     int32 id;
     if (Send(new PpapiHostMsg_PPBContext3D_CreateTransferBuffer(
             INTERFACE_ID_PPB_CONTEXT_3D, resource_, size, &id))) {
       return id;
     }
   }
 
   return -1;
 }
 
+int32 PepperCommandBuffer::RegisterTransferBuffer(
+    base::SharedMemory* shared_memory,
+    size_t size) {
+  // Not implemented in proxy.
+  NOTREACHED();
+  return -1;
+}
+
 void PepperCommandBuffer::DestroyTransferBuffer(int32 id) {
   if (last_state_.error != gpu::error::kNoError)
     return;
 
   // Remove the transfer buffer from the client side4 cache.
   TransferBufferMap::iterator it = transfer_buffers_.find(id);
   DCHECK(it != transfer_buffers_.end());
 
   // Delete the shared memory object, closing the handle in this process.
   delete it->second.shared_memory;
@@ skipping 271 matching lines @@
                                                    &shm_handle,
                                                    &shm_size)) {
     return;
   }
   *transfer_buffer = SHMHandleFromInt(shm_handle);
   *size = shm_size;
 }
 
 }  // namespace proxy
 }  // namespace pp