Introduce WebCachePolicy to merge cache policy enums

third_party/WebKit/Source/platform/exported/WebURLRequest.cpp

Index: third_party/WebKit/Source/platform/exported/WebURLRequest.cpp
diff --git a/third_party/WebKit/Source/platform/exported/WebURLRequest.cpp b/third_party/WebKit/Source/platform/exported/WebURLRequest.cpp
index a4f16141a182e92da6d4ffe3c89283379e620e33..e6080a3885bbf3825bd928a9224a763fee8f03f0 100644
--- a/third_party/WebKit/Source/platform/exported/WebURLRequest.cpp
+++ b/third_party/WebKit/Source/platform/exported/WebURLRequest.cpp
@@ -32,6 +32,7 @@
 
 #include "platform/exported/WebURLRequestPrivate.h"
 #include "platform/network/ResourceRequest.h"
+#include "public/platform/WebCachePolicy.h"
 #include "public/platform/WebHTTPBody.h"
 #include "public/platform/WebHTTPHeaderVisitor.h"
 #include "public/platform/WebSecurityOrigin.h"
@@ -147,16 +148,14 @@ void WebURLRequest::setAllowStoredCredentials(bool allowStoredCredentials)
     m_private->m_resourceRequest->setAllowStoredCredentials(allowStoredCredentials);
 }
 
-WebURLRequest::CachePolicy WebURLRequest::getCachePolicy() const
+WebCachePolicy WebURLRequest::getCachePolicy() const
 {
-    return static_cast<WebURLRequest::CachePolicy>(
-        m_private->m_resourceRequest->getCachePolicy());
+    return m_private->m_resourceRequest->getCachePolicy();
 }
 
-void WebURLRequest::setCachePolicy(CachePolicy cachePolicy)
+void WebURLRequest::setCachePolicy(WebCachePolicy cachePolicy)
 {
-    m_private->m_resourceRequest->setCachePolicy(
-        static_cast<ResourceRequestCachePolicy>(cachePolicy));
+    m_private->m_resourceRequest->setCachePolicy(cachePolicy);
 }
 
 WebString WebURLRequest::httpMethod() const