content: Some code cleanup related to shared memory allocation.

content/renderer/renderer_clipboard_delegate.cc

 // Copyright (c) 2012 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.
 
 // This file provides the embedder's side of the Clipboard interface.
 
 #include "content/renderer/renderer_clipboard_delegate.h"
 
 #include "base/memory/shared_memory.h"
 #include "base/numerics/safe_math.h"
@@ skipping 120 matching lines @@
       return false;
 
     base::CheckedNumeric<uint32_t> checked_buf_size = 4;
     checked_buf_size *= size.width();
     checked_buf_size *= size.height();
     if (!checked_buf_size.IsValid())
       return false;
 
     // Allocate a shared memory buffer to hold the bitmap bits.
     uint32_t buf_size = checked_buf_size.ValueOrDie();
-    shared_buf = ChildThreadImpl::current()->AllocateSharedMemory(buf_size);
+    shared_buf = ChildThreadImpl::AllocateSharedMemory(buf_size);
     if (!shared_buf)
       return false;
     if (!shared_buf->Map(buf_size))
       return false;
     // Copy the bits into shared memory
     DCHECK(shared_buf->memory());
     memcpy(shared_buf->memory(), pixels, buf_size);
     shared_buf->Unmap();
   }
 
   RenderThreadImpl::current()->Send(new ClipboardHostMsg_WriteImage(
       clipboard_type, size, shared_buf->handle()));
   return true;
 }
 
 void RendererClipboardDelegate::CommitWrite(ui::ClipboardType clipboard_type) {
   RenderThreadImpl::current()->Send(
       new ClipboardHostMsg_CommitWrite(clipboard_type));
 }
 
 }  // namespace content