Make RenderPass::Id an isolated class

content/common/cc_messages.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/common/cc_messages.h"
 
 #include "cc/output/compositor_frame.h"
 #include "cc/output/filter_operations.h"
 #include "cc/quads/largest_draw_quad.h"
 #include "content/public/common/common_param_traits.h"
@@ skipping 386 matching lines @@
 static scoped_ptr<cc::DrawQuad> ReadDrawQuad(const Message* m,
                                              PickleIterator* iter) {
   scoped_ptr<QuadType> quad(new QuadType);
   if (!ReadParam(m, iter, quad.get()))
     return scoped_ptr<QuadType>().template PassAs<cc::DrawQuad>();
   return quad.template PassAs<cc::DrawQuad>();
 }
 
 bool ParamTraits<cc::RenderPass>::Read(
     const Message* m, PickleIterator* iter, param_type* p) {
-  cc::RenderPass::Id id(-1, -1);
+  cc::RenderPassId id(-1, -1);
   gfx::Rect output_rect;
   gfx::Rect damage_rect;
   gfx::Transform transform_to_root_target;
   bool has_transparent_background;
   size_t shared_quad_state_list_size;
   size_t quad_list_size;
 
   if (!ReadParam(m, iter, &id) ||
       !ReadParam(m, iter, &output_rect) ||
       !ReadParam(m, iter, &damage_rect) ||
@@ skipping 377 matching lines @@
   l->append(", ");
   LogParam(p.size, l);
   l->append(", ");
   LogParam(p.damage_rect, l);
   l->append(", ");
   LogParam(p.bitmap_id, l);
   l->append(")");
 }
 
 }  // namespace IPC