Introduce WebCachePolicy to merge cache policy enums

content/public/renderer/resource_fetcher.h

Index: content/public/renderer/resource_fetcher.h
diff --git a/content/public/renderer/resource_fetcher.h b/content/public/renderer/resource_fetcher.h
index 2c402aab395952b3d16a442f388ca3bc6c4486f9..64fece51f0464e3dadb6f09da787c26b11089d83 100644
--- a/content/public/renderer/resource_fetcher.h
+++ b/content/public/renderer/resource_fetcher.h
@@ -20,6 +20,7 @@ class TimeDelta;
 namespace blink {
 class WebFrame;
 class WebURLResponse;
+enum class WebCachePolicy;
 struct WebURLLoaderOptions;
 }
 
@@ -55,7 +56,7 @@ class CONTENT_EXPORT ResourceFetcher {
   virtual void SetHeader(const std::string& header,
                          const std::string& value) = 0;
   virtual void SetSkipServiceWorker(bool skip_service_worker) = 0;
-  virtual void SetCachePolicy(blink::WebURLRequest::CachePolicy policy) = 0;
+  virtual void SetCachePolicy(blink::WebCachePolicy policy) = 0;
 
   // Associate the corresponding WebURLLoaderOptions to the loader. Must be
   // called before Start. Used if the LoaderType is FRAME_ASSOCIATED_LOADER.