Coverity Fixlets.

chrome/renderer/pepper_platform_context_3d_impl.cc

 // Copyright (c) 2010 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 "chrome/renderer/pepper_platform_context_3d_impl.h"
 
 #include "chrome/renderer/command_buffer_proxy.h"
 #include "chrome/renderer/ggl/ggl.h"
 #include "chrome/renderer/gpu_channel_host.h"
 #include "chrome/renderer/render_thread.h"
@@ skipping 55 matching lines @@
   };
   std::vector<int32> attribs(kAttribs, kAttribs + ARRAYSIZE_UNSAFE(kAttribs));
   CommandBufferProxy* parent_command_buffer =
       ggl::GetCommandBufferProxy(parent_context_);
   command_buffer_ = channel_->CreateOffscreenCommandBuffer(
       parent_command_buffer,
       gfx::Size(1, 1),
       "*",
       attribs,
       parent_texture_id_);
+  if (!command_buffer_)
+    return false;
   command_buffer_->SetChannelErrorCallback(callback_factory_.NewCallback(
       &PlatformContext3DImpl::OnContextLost));
 
-  if (!command_buffer_)
-    return false;
-
   return true;
 }
 
 void PlatformContext3DImpl::SetSwapBuffersCallback(Callback0::Type* callback) {
   DCHECK(command_buffer_);
   command_buffer_->SetSwapBuffersCallback(callback);
 }
 
 unsigned PlatformContext3DImpl::GetBackingTextureId() {
   DCHECK(command_buffer_);
@@ skipping 13 matching lines @@
 
   // We will lose the parent context soon (it will be reallocated by the main
   // page).
   parent_context_ = NULL;
   parent_texture_id_ = 0;
   if (context_lost_callback_.get())
     context_lost_callback_->Run();
 }
 
 #endif  // ENABLE_GPU
-