PlzNavigate: Invoke didStartProvisionalLoad() when the renderer initiates a navigation in startLoad(

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

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 7333 matching lines @@
   EXPECT_EQ(WebBackForwardCommit, client.lastCommitType());
 }
 
 class TestHistoryWebFrameClient : public FrameTestHelpers::TestWebFrameClient {
  public:
   TestHistoryWebFrameClient() {
     m_replacesCurrentHistoryItem = false;
     m_frame = nullptr;
   }
 
-  void didStartProvisionalLoad(WebLocalFrame* frame) {
-    WebDataSource* ds = frame->provisionalDataSource();
-    m_replacesCurrentHistoryItem = ds->replacesCurrentHistoryItem();
+  void didStartProvisionalLoad(WebLocalFrame* frame,
+                               WebDataSource* dataSource) {
+    m_replacesCurrentHistoryItem = dataSource->replacesCurrentHistoryItem();
     m_frame = frame;
   }
 
   bool replacesCurrentHistoryItem() { return m_replacesCurrentHistoryItem; }
   WebFrame* frame() { return m_frame; }
 
  private:
   bool m_replacesCurrentHistoryItem;
   WebFrame* m_frame;
 };
@@ skipping 2709 matching lines @@
 
 class CallbackOrderingWebFrameClient
     : public FrameTestHelpers::TestWebFrameClient {
  public:
   CallbackOrderingWebFrameClient() : m_callbackCount(0) {}
 
   void didStartLoading(bool toDifferentDocument) override {
     EXPECT_EQ(0, m_callbackCount++);
     FrameTestHelpers::TestWebFrameClient::didStartLoading(toDifferentDocument);
   }
-  void didStartProvisionalLoad(WebLocalFrame*) override {
+  void didStartProvisionalLoad(WebLocalFrame*, WebDataSource*) override {
     EXPECT_EQ(1, m_callbackCount++);
   }
   void didCommitProvisionalLoad(WebLocalFrame*,
                                 const WebHistoryItem&,
                                 WebHistoryCommitType) override {
     EXPECT_EQ(2, m_callbackCount++);
   }
   void didFinishDocumentLoad(WebLocalFrame*) override {
     EXPECT_EQ(3, m_callbackCount++);
   }
@@ skipping 1160 matching lines @@
 
   EXPECT_TRUE(mainFrameClient.childClient().didCallFrameDetached());
   EXPECT_TRUE(mainFrameClient.childClient().didCallDidStopLoading());
   EXPECT_TRUE(mainFrameClient.childClient().didCallDidFinishDocumentLoad());
   EXPECT_TRUE(mainFrameClient.childClient().didCallDidHandleOnloadEvents());
 
   webViewHelper.reset();
 }
 
 }  // namespace blink