Add Keyboard Latency UMA Metrics.

chrome/browser/password_manager/password_generation_interactive_uitest.cc

 // Copyright 2014 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.
 
 #include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/password_manager/chrome_password_manager_client.h"
 #include "chrome/browser/password_manager/password_manager_test_base.h"
 #include "chrome/browser/password_manager/password_store_factory.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 104 matching lines @@
         RenderViewHost(),
         "document.getElementById('password_field').focus()"));
   }
 
   void SendKeyToPopup(ui::KeyboardCode key) {
     content::NativeWebKeyboardEvent event(
         blink::WebKeyboardEvent::kRawKeyDown,
         blink::WebInputEvent::kNoModifiers,
         blink::WebInputEvent::kTimeStampForTesting);
     event.windows_key_code = key;
-    RenderViewHost()->GetWidget()->ForwardKeyboardEvent(event);
+    RenderViewHost()->GetWidget()->ForwardKeyboardEventWithLatencyInfo(
+        event, ui::LatencyInfo());
   }
 
   bool GenerationPopupShowing() {
     return observer_.popup_showing() && observer_.password_visible();
   }
 
   bool EditingPopupShowing() {
     return observer_.popup_showing() && !observer_.password_visible();
   }
 
@@ skipping 87 matching lines @@
   EXPECT_FALSE(password_store->IsEmpty());
 
   // Make sure the username is correct.
   password_manager::TestPasswordStore::PasswordMap stored_passwords =
       password_store->stored_passwords();
   EXPECT_EQ(1u, stored_passwords.size());
   EXPECT_EQ(1u, stored_passwords.begin()->second.size());
   EXPECT_EQ(base::UTF8ToUTF16("something"),
             (stored_passwords.begin()->second)[0].username_value);
 }