IPC messages and changes to ResourceLoaderBridge to support resource loading for media

net/url_request/url_request.h

Index: net/url_request/url_request.h
diff --git a/net/url_request/url_request.h b/net/url_request/url_request.h
index 4309689059a26c288e81175089dc6adf602079cb..dcc999e8a4775dce2f2002f007f923d06d879271 100644
--- a/net/url_request/url_request.h
+++ b/net/url_request/url_request.h
@@ -307,6 +307,13 @@ class URLRequest {
     return response_info_.ssl_info;
   }
 
+  // Returns the platform specific file handle for the standalone file that
+  // contains response data. base::kInvalidPlatformFileValue is returned if
+  // such file is not available.
+  base::PlatformFile response_data_file() {
+    return response_info_.response_data_file;
+  }
+
   // Returns the cookie values included in the response, if the request is one
   // that can have cookies.  Returns true if the request is a cookie-bearing
   // type, false otherwise.  This method may only be called once the