Switch cc::RenderPassId and cc::DrawQuad::Resources to use uint32_t instead of size_t.

cc/quads/draw_quad.h

 // Copyright 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.
 
 #ifndef CC_QUADS_DRAW_QUAD_H_
 #define CC_QUADS_DRAW_QUAD_H_
 
 #include <stddef.h>
 
 #include "base/callback.h"
@@ skipping 106 matching lines @@
   struct CC_EXPORT Resources {
     enum : size_t { kMaxResourceIdCount = 4 };
     Resources();
 
     ResourceId* begin() { return ids; }
     ResourceId* end() {
       DCHECK_LE(count, kMaxResourceIdCount);
       return ids + count;
     }
 
-    size_t count;
+    uint32_t count;
     ResourceId ids[kMaxResourceIdCount];
   };
 
   Resources resources;
 
  protected:
   DrawQuad();
 
   void SetAll(const SharedQuadState* shared_quad_state,
               Material material,
               const gfx::Rect& rect,
               const gfx::Rect& opaque_rect,
               const gfx::Rect& visible_rect,
               bool needs_blending);
   virtual void ExtendValue(base::trace_event::TracedValue* value) const = 0;
 };
 
 }  // namespace cc
 
 #endif  // CC_QUADS_DRAW_QUAD_H_