Class/struct layout optimization for blink Resource related classes

content/public/renderer/associated_resource_fetcher.h

Index: content/public/renderer/associated_resource_fetcher.h
diff --git a/content/public/renderer/associated_resource_fetcher.h b/content/public/renderer/associated_resource_fetcher.h
index 5dca1ab38fb65520cddde9cb4aeee7971900551f..68549345c7da4ee5e44e2e9e78ca0fac35a7ba59 100644
--- a/content/public/renderer/associated_resource_fetcher.h
+++ b/content/public/renderer/associated_resource_fetcher.h
@@ -9,6 +9,7 @@
 
 #include "base/callback.h"
 #include "content/common/content_export.h"
+#include "third_party/WebKit/public/platform/WebCachePolicy.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 
 class GURL;
@@ -16,7 +17,6 @@ class GURL;
 namespace blink {
 class WebFrame;
 class WebURLResponse;
-enum class WebCachePolicy;
 struct WebAssociatedURLLoaderOptions;
 }