Remove a bunch of provisionalDataSource() usage.

components/autofill/content/renderer/password_autofill_agent.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_AUTOFILL_AGENT_H_
 #define COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_AUTOFILL_AGENT_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 134 matching lines @@
   class LegacyPasswordAutofillAgent : public content::RenderViewObserver {
    public:
     LegacyPasswordAutofillAgent(content::RenderView* render_view,
                                 PasswordAutofillAgent* agent);
     ~LegacyPasswordAutofillAgent() override;
 
     // RenderViewObserver:
     void OnDestruct() override;
     void DidStartLoading() override;
     void DidStopLoading() override;
-    void DidStartProvisionalLoad(blink::WebLocalFrame* frame) override;
 
    private:
     PasswordAutofillAgent* agent_;
 
     DISALLOW_COPY_AND_ASSIGN(LegacyPasswordAutofillAgent);
   };
   friend class LegacyPasswordAutofillAgent;
 
   // RenderFrameObserver:
   bool OnMessageReceived(const IPC::Message& message) override;
   void DidFinishDocumentLoad() override;
   void DidFinishLoad() override;
   void FrameDetached() override;
   void FrameWillClose() override;
+  void DidStartProvisionalLoad(blink::WebDataSource* datasource) override;
   void DidCommitProvisionalLoad(bool is_new_navigation,
                                 bool is_same_page_navigation) override;
   void WillSendSubmitEvent(const blink::WebFormElement& form) override;
   void WillSubmitForm(const blink::WebFormElement& form) override;
 
   // Legacy RenderViewObserver:
   void DidStartLoading();
   void DidStopLoading();
-  void LegacyDidStartProvisionalLoad(blink::WebLocalFrame* frame);
 
   // RenderView IPC handlers:
   void OnFillPasswordForm(int key, const PasswordFormFillData& form_data);
   void OnSetLoggingState(bool active);
   void OnAutofillUsernameAndPasswordDataReceived(
       const FormsPredictionsMap& predictions);
   void OnFindFocusedPasswordForm();
 
   // Scans the given frame for password forms and sends them up to the browser.
   // If |only_visible| is true, only forms visible in the layout are sent.
@@ skipping 87 matching lines @@
   FormsPredictionsMap form_predictions_;
 
   base::WeakPtrFactory<PasswordAutofillAgent> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordAutofillAgent);
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CONTENT_RENDERER_PASSWORD_AUTOFILL_AGENT_H_