Class/struct layout optimization for blink Resource related classes

content/renderer/render_frame_impl.h

 // Copyright 2013 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 CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 78 matching lines @@
 struct FrameMsg_MixedContentFound_Params;
 struct FrameMsg_PostMessage_Params;
 struct FrameMsg_SerializeAsMHTML_Params;
 struct FrameMsg_TextTrackSettings_Params;
 
 namespace blink {
 class WebContentDecryptionModule;
 class WebPresentationClient;
 class WebPushClient;
 class WebSecurityOrigin;
-enum class WebCachePolicy;
+enum class WebCachePolicy : uint8_t;
 struct WebCompositionUnderline;
 struct WebContextMenuData;
 struct WebCursorInfo;
 struct WebFindOptions;
 class WebRelatedAppsFetcher;
 }  // namespace blink
 
 namespace gfx {
 class Point;
 class Range;
@@ skipping 1306 matching lines @@
   std::vector<media::RoutingTokenCallback> pending_routing_token_callbacks_;
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_