Enable Clang warnings in .cc files for Linux+[Aura/ChromeOS]

content/browser/web_contents/touch_editable_impl_aura_browsertest.cc

 // Copyright (c) 2012 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 "content/browser/web_contents/touch_editable_impl_aura.h"
 
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "base/test/test_timeouts.h"
 #include "base/utf_string_conversions.h"
@@ skipping 25 matching lines @@
         gesture_ack_callback_arrived_(false),
         waiting_for_gesture_ack_callback_(false) {}
 
   void Reset() {
     selection_changed_callback_arrived_ = false;
     waiting_for_selection_changed_callback_ = false;
     gesture_ack_callback_arrived_ = false;
     waiting_for_gesture_ack_callback_ = false;
   }
 
-  void OnSelectionOrCursorChanged(const gfx::Rect& anchor,
-                                  const gfx::Rect& focus) OVERRIDE {
+  virtual void OnSelectionOrCursorChanged(const gfx::Rect& anchor,
+                                          const gfx::Rect& focus) OVERRIDE {
     selection_changed_callback_arrived_ = true;
     TouchEditableImplAura::OnSelectionOrCursorChanged(anchor, focus);
     if (waiting_for_selection_changed_callback_)
       selection_changed_wait_run_loop_->Quit();
   }
 
-  void GestureEventAck(int gesture_event_type) OVERRIDE {
+  virtual void GestureEventAck(int gesture_event_type) OVERRIDE {
     gesture_ack_callback_arrived_ = true;
     TouchEditableImplAura::GestureEventAck(gesture_event_type);
     if (waiting_for_gesture_ack_callback_)
       gesture_ack_wait_run_loop_->Quit();
   }
 
   void WaitForSelectionChangeCallback() {
     if (selection_changed_callback_arrived_)
       return;
     waiting_for_selection_changed_callback_ = true;
@@ skipping 211 matching lines @@
   TestTouchSelectionOnLongPress();
 }
 
 // TODO(miu): Disabled test due to flakiness.  http://crbug.com/235991
 IN_PROC_BROWSER_TEST_F(TouchEditableImplAuraTest,
                        DISABLED_TouchCursorInTextfieldTest) {
   TestTouchCursorInTextfield();
 }
 
 }  // namespace content