[Autofill] Add UMA timing metrics for requestAutocomplete dialog.

chrome/browser/ui/autofill/tab_autofill_manager_delegate.h

Index: chrome/browser/ui/autofill/tab_autofill_manager_delegate.h
diff --git a/chrome/browser/ui/autofill/tab_autofill_manager_delegate.h b/chrome/browser/ui/autofill/tab_autofill_manager_delegate.h
index 568aff948de8346e10a88df20e96825bc37473ed..748f7865edf43ebe7643c20b6042ad2308dcb1dc 100644
--- a/chrome/browser/ui/autofill/tab_autofill_manager_delegate.h
+++ b/chrome/browser/ui/autofill/tab_autofill_manager_delegate.h
@@ -11,19 +11,19 @@
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
 
-namespace autofill {
-class AutofillDialogControllerImpl;
-}
-
 namespace content {
 struct FrameNavigateParams;
 struct LoadCommittedDetails;
 class WebContents;
 }
 
+namespace autofill {
+
+class AutofillDialogControllerImpl;
+
 // Chrome implementation of AutofillManagerDelegate.
 class TabAutofillManagerDelegate
-    : public autofill::AutofillManagerDelegate,
+    : public AutofillManagerDelegate,
       public content::WebContentsUserData<TabAutofillManagerDelegate>,
       public content::WebContentsObserver {
  public:
@@ -40,11 +40,13 @@ class TabAutofillManagerDelegate
   virtual void ShowPasswordGenerationBubble(
       const gfx::Rect& bounds,
       const content::PasswordForm& form,
-      autofill::PasswordGenerator* generator) OVERRIDE;
+      PasswordGenerator* generator) OVERRIDE;
   virtual void ShowRequestAutocompleteDialog(
       const FormData& form,
       const GURL& source_url,
       const content::SSLStatus& ssl_status,
+      const AutofillMetrics& metric_logger,
+      DialogRequester requester,
       const base::Callback<void(const FormStructure*)>& callback) OVERRIDE;
   virtual void RequestAutocompleteDialogClosed() OVERRIDE;
 
@@ -61,9 +63,11 @@ class TabAutofillManagerDelegate
   void HideRequestAutocompleteDialog();
 
   content::WebContents* const web_contents_;
-  autofill::AutofillDialogControllerImpl* autofill_dialog_controller_;  // weak.
+  AutofillDialogControllerImpl* autofill_dialog_controller_;  // weak.
 
   DISALLOW_COPY_AND_ASSIGN(TabAutofillManagerDelegate);
 };
 
+}  // namespace autofill
+
 #endif  // CHROME_BROWSER_UI_AUTOFILL_TAB_AUTOFILL_MANAGER_DELEGATE_H_