GPU: Build most of the gpu as a single DLL.

gpu/command_buffer/common/id_allocator.h

Index: gpu/command_buffer/common/id_allocator.h
===================================================================
--- gpu/command_buffer/common/id_allocator.h	(revision 124716)
+++ gpu/command_buffer/common/id_allocator.h	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -12,6 +12,7 @@
 
 #include "base/compiler_specific.h"
 
+#include "../../gpu_export.h"
 #include "../common/types.h"
 
 namespace gpu {
@@ -21,7 +22,7 @@
 // Invalid resource ID.
 static const ResourceId kInvalidResource = 0u;
 
-class IdAllocatorInterface {
+class GPU_EXPORT IdAllocatorInterface {
  public:
   virtual ~IdAllocatorInterface();
 
@@ -43,7 +44,7 @@
 };
 
 // A class to manage the allocation of resource IDs.
-class IdAllocator : public IdAllocatorInterface {
+class GPU_EXPORT IdAllocator : public IdAllocatorInterface {
  public:
   IdAllocator();
   virtual ~IdAllocator();