content: Cleanup GpuMemoryBufferImpl destruction.

content/common/gpu/client/gpu_memory_buffer_impl_linux.cc

 // Copyright 2013 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/common/gpu/client/gpu_memory_buffer_impl.h"
 
 #include "content/common/gpu/client/gpu_memory_buffer_impl_shared_memory.h"
 
 namespace content {
 
@@ skipping 16 matching lines @@
 // static
 void GpuMemoryBufferImpl::AllocateForChildProcess(
     const gfx::Size& size,
     unsigned internalformat,
     unsigned usage,
     base::ProcessHandle child_process,
     int child_client_id,
     const AllocationCallback& callback) {
   if (GpuMemoryBufferImplSharedMemory::IsConfigurationSupported(
           size, internalformat, usage)) {
-    GpuMemoryBufferImplSharedMemory::AllocateSharedMemoryForChildProcess(
+    GpuMemoryBufferImplSharedMemory::AllocateForChildProcess(
         size, internalformat, child_process, callback);
     return;
   }
 
   callback.Run(gfx::GpuMemoryBufferHandle());
 }
 
 // static
 void GpuMemoryBufferImpl::DeletedByChildProcess(
     gfx::GpuMemoryBufferType type,
     const gfx::GpuMemoryBufferId& id,
     base::ProcessHandle child_process) {
 }
 
 // static
 scoped_ptr<GpuMemoryBufferImpl> GpuMemoryBufferImpl::CreateFromHandle(
     const gfx::GpuMemoryBufferHandle& handle,
     const gfx::Size& size,
-    unsigned internalformat) {
+    unsigned internalformat,
+    const DestructionCallback& callback) {
   switch (handle.type) {
-    case gfx::SHARED_MEMORY_BUFFER: {
-      scoped_ptr<GpuMemoryBufferImplSharedMemory> buffer(
-          new GpuMemoryBufferImplSharedMemory(size, internalformat));
-      if (!buffer->InitializeFromHandle(handle))
-        return scoped_ptr<GpuMemoryBufferImpl>();
-
-      return buffer.PassAs<GpuMemoryBufferImpl>();
-    }
+    case gfx::SHARED_MEMORY_BUFFER:
+      return GpuMemoryBufferImplSharedMemory::CreateFromHandle(
+          handle, size, internalformat, callback);
     default:
       return scoped_ptr<GpuMemoryBufferImpl>();
   }
 }
 
 }  // namespace content