Plumb initiator out of Blink.

third_party/WebKit/Source/web/tests/WebDocumentSubresourceFilterTest.cpp

Index: third_party/WebKit/Source/web/tests/WebDocumentSubresourceFilterTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebDocumentSubresourceFilterTest.cpp b/third_party/WebKit/Source/web/tests/WebDocumentSubresourceFilterTest.cpp
index 9baea654ce1718e854b958176c0f67fa5a66b12c..02aa70b4a056d304fc3d3d68d3dff7bb1405ee0a 100644
--- a/third_party/WebKit/Source/web/tests/WebDocumentSubresourceFilterTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebDocumentSubresourceFilterTest.cpp
@@ -55,7 +55,8 @@ class TestDocumentSubresourceFilter : public WebDocumentSubresourceFilter {
 class SubresourceFilteringWebFrameClient
     : public FrameTestHelpers::TestWebFrameClient {
  public:
-  void didStartProvisionalLoad(WebDataSource* dataSource,
+  void didStartProvisionalLoad(WebLocalFrame* initiatorFrame,
+                               WebDataSource* dataSource,
                                WebURLRequest& request) override {
     // Normally, the filter should be set when the load is committed. For
     // the sake of this test, however, inject it earlier to verify that it