Create AutofillDriverImpl unit test.

components/autofill/content/browser/autofill_driver_impl.h

Index: components/autofill/content/browser/autofill_driver_impl.h
diff --git a/components/autofill/content/browser/autofill_driver_impl.h b/components/autofill/content/browser/autofill_driver_impl.h
index b57729328b22dd0871937934037d9396aa5274f7..6c43f9ba62505d87cca460d9c09fd612aa5cf28d 100644
--- a/components/autofill/content/browser/autofill_driver_impl.h
+++ b/components/autofill/content/browser/autofill_driver_impl.h
@@ -54,9 +54,9 @@ class AutofillDriverImpl : public AutofillDriver,
   void SetAutofillExternalDelegate(
       scoped_ptr<AutofillExternalDelegate> delegate);
 
-  AutofillManager* autofill_manager() { return &autofill_manager_; }
+  AutofillManager* autofill_manager() { return autofill_manager_.get(); }
 
- private:
+ protected:
   AutofillDriverImpl(
       content::WebContents* web_contents,
       autofill::AutofillManagerDelegate* delegate,
@@ -71,13 +71,18 @@ class AutofillDriverImpl : public AutofillDriver,
       const content::FrameNavigateParams& params) OVERRIDE;
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
+  // Sets the manager to |manager|. Takes ownership of |manager|.

[Ilya Sherman, 2013/06/21 20:19:24]

nit: Please document that the manager's external delegate is updated as well.

[blundell, 2013/06/22 06:29:06]

Done.

+  void SetAutofillManager(scoped_ptr<AutofillManager> manager);
+
+ private:
+

[Ilya Sherman, 2013/06/21 20:19:24]

nit: Spurious newline.

[blundell, 2013/06/22 06:29:06]

Done.

   // AutofillExternalDelegate instance that this object instantiates in the
   // case where the autofill native UI is enabled.
   scoped_ptr<AutofillExternalDelegate> autofill_external_delegate_;
 
   // AutofillManager instance via which this object drives the shared Autofill
   // code.
-  AutofillManager autofill_manager_;
+  scoped_ptr<AutofillManager> autofill_manager_;
 };
 
 }  // namespace autofill