Using WebFrame::createAssociatedURLLoader() instead of WebFrame::dispatchWillSendRequest(...)

According to,
http://codesearch.google.com/codesearch/p?hl=en#OAMlx_jo-ck/src/third_party/WebKit/WebKit/chromium/public/WebFrame.h
WebFrame::dispatchWillSendRequest is now deprecated.  Updating to use createAssociatedURLLoader() instead.

BUG=65806
TEST=media

Review URL: http://codereview.chromium.org/5515008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@69083 0039d316-1c4b-4281-b951-d872f2087c98

webkit/glue/media/buffered_data_source.cc

@@ -144,17 +144,16 @@ void BufferedResourceLoader::Start(net::CompletionCallback* start_callback,
 
   // Prepare the request.
   WebURLRequest request(url_);
+  request.setTargetType(WebURLRequest::TargetIsMedia);
   request.setHTTPHeaderField(WebString::fromUTF8("Range"),
                              WebString::fromUTF8(GenerateHeaders(
                                                  first_byte_position_,
                                                  last_byte_position_)));
   frame->setReferrerForRequest(request, WebKit::WebURL());
-  // TODO(annacc): we should be using createAssociatedURLLoader() instead?
-  frame->dispatchWillSendRequest(request);
 
   // This flag is for unittests as we don't want to reset |url_loader|
   if (!keep_test_loader_)
-    url_loader_.reset(WebKit::webKitClient()->createURLLoader());
+    url_loader_.reset(frame->createAssociatedURLLoader());
 
   // Start the resource loading.
   url_loader_->loadAsynchronously(request, this);

webkit/glue/media/simple_data_source.cc

@@ -244,14 +244,13 @@ void SimpleDataSource::StartTask() {
   } else {
     // Prepare the request.
     WebKit::WebURLRequest request(url_);
+    request.setTargetType(WebKit::WebURLRequest::TargetIsMedia);
 
     frame_->setReferrerForRequest(request, WebKit::WebURL());
-    // TODO(annacc): we should be using createAssociatedURLLoader() instead?
-    frame_->dispatchWillSendRequest(request);
 
     // This flag is for unittests as we don't want to reset |url_loader|
     if (!keep_test_loader_)
-      url_loader_.reset(WebKit::webKitClient()->createURLLoader());
+      url_loader_.reset(frame_->createAssociatedURLLoader());
 
     // Start the resource loading.
     url_loader_->loadAsynchronously(request, this);