Introduce WebCachePolicy to merge cache policy enums

content/renderer/fetchers/multi_resolution_image_resource_fetcher.h

 // 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.
 
 #ifndef CONTENT_RENDERER_FETCHERS_MULTI_RESOLUTION_IMAGE_RESOURCE_FETCHER_H_
 #define CONTENT_RENDERER_FETCHERS_MULTI_RESOLUTION_IMAGE_RESOURCE_FETCHER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "url/gurl.h"
 
 class SkBitmap;
 
 namespace blink {
 class WebFrame;
 class WebURLResponse;
+enum class WebCachePolicy;
 }
 
 namespace content {
 
 class ResourceFetcher;
 
 // A resource fetcher that returns all (differently-sized) frames in
 // an image. Useful for favicons.
 class MultiResolutionImageResourceFetcher {
  public:
   typedef base::Callback<void(MultiResolutionImageResourceFetcher*,
                               const std::vector<SkBitmap>&)> Callback;
 
   MultiResolutionImageResourceFetcher(
       const GURL& image_url,
       blink::WebFrame* frame,
       int id,
       blink::WebURLRequest::RequestContext request_context,
-      blink::WebURLRequest::CachePolicy cache_policy,
+      blink::WebCachePolicy cache_policy,
       const Callback& callback);
 
   virtual ~MultiResolutionImageResourceFetcher();
 
   // URL of the image we're downloading.
   const GURL& image_url() const { return image_url_; }
 
   // Unique identifier for the request.
   int id() const { return id_; }
 
@@ skipping 18 matching lines @@
 
   // Does the actual download.
   scoped_ptr<ResourceFetcher> fetcher_;
 
   DISALLOW_COPY_AND_ASSIGN(MultiResolutionImageResourceFetcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_FETCHERS_MULTI_RESOLUTION_IMAGE_RESOURCE_FETCHER_H_