Remove the ENABLE_GPU #define and enable_gpu gyp variable

content/renderer/pepper/pepper_platform_context_3d.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.
 
 #include "content/renderer/pepper/pepper_platform_context_3d.h"
 
 #include "base/bind.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/common/gpu/client/gpu_channel_host.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "gpu/command_buffer/client/gles2_cmd_helper.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "ppapi/c/pp_graphics_3d.h"
 #include "ui/gl/gpu_preference.h"
 #include "url/gurl.h"
 
-#ifdef ENABLE_GPU
-
 namespace content {
 
 PlatformContext3D::PlatformContext3D()
     : has_alpha_(false),
       command_buffer_(NULL),
       weak_ptr_factory_(this) {
 }
 
 PlatformContext3D::~PlatformContext3D() {
   if (command_buffer_) {
@@ skipping 133 matching lines @@
 }
 
 void PlatformContext3D::OnConsoleMessage(const std::string& msg, int id) {
   DCHECK(command_buffer_);
 
   if (!console_message_callback_.is_null())
     console_message_callback_.Run(msg, id);
 }
 
 }  // namespace content
-
-#endif  // ENABLE_GPU