Use mojo for Chrome Loading, Part 1

third_party/WebKit/public/platform/WebURLRequest.h

Index: third_party/WebKit/public/platform/WebURLRequest.h
diff --git a/third_party/WebKit/public/platform/WebURLRequest.h b/third_party/WebKit/public/platform/WebURLRequest.h
index 3563123c15ceb379d90dbf6e3da4763e6646b9c1..c03a6215e33ee1c2dad669b6bc103cb0e88a45d3 100644
--- a/third_party/WebKit/public/platform/WebURLRequest.h
+++ b/third_party/WebKit/public/platform/WebURLRequest.h
@@ -153,6 +153,11 @@ public:
         All
     };
 
+    enum class LoadingIPCType {
+        ChromeIPC,
+        Mojo,
+    };
+
     class ExtraData {
     public:
         virtual ~ExtraData() { }
@@ -320,6 +325,8 @@ public:
     // https://mikewest.github.io/cors-rfc1918/#external-request
     BLINK_PLATFORM_EXPORT bool isExternalRequest() const;
 
+    BLINK_PLATFORM_EXPORT LoadingIPCType getLoadingIPCType() const;
+
 #if INSIDE_BLINK
     BLINK_PLATFORM_EXPORT ResourceRequest& toMutableResourceRequest();
     BLINK_PLATFORM_EXPORT const ResourceRequest& toResourceRequest() const;