Fix remaining warnings for -Wmissing-braces and enable on win clang.

win8/metro_driver/chrome_app_view_ash.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 "win8/metro_driver/stdafx.h"
 #include "win8/metro_driver/chrome_app_view_ash.h"
 
 #include <corewindow.h>
 #include <shellapi.h>
 #include <windows.foundation.h>
@@ skipping 76 matching lines @@
   ALT = 4
 };
 
 const int kChromeChannelPollTimerMs = 100;
 
 // Helper function to send keystrokes via the SendInput function.
 // mnemonic_char: The keystroke to be sent.
 // modifiers: Combination with Alt, Ctrl, Shift, etc.
 void SendKeySequence(
     WORD mnemonic_char, KeyModifier modifiers) {
-  INPUT keys[4] = {0};  // Keyboard events
+  INPUT keys[4] = {};  // Keyboard events
   int key_count = 0;  // Number of generated events
 
   if (modifiers & SHIFT) {
     keys[key_count].type = INPUT_KEYBOARD;
     keys[key_count].ki.wVk = VK_SHIFT;
     keys[key_count].ki.wScan = MapVirtualKey(VK_SHIFT, 0);
     key_count++;
   }
 
   if (modifiers & CONTROL) {
@@ skipping 1352 matching lines @@
   mswr::ComPtr<winapp::Core::ICoreApplicationExit> app_exit;
   CheckHR(core_app.As(&app_exit));
   globals.app_exit = app_exit.Detach();
 }
 
 IFACEMETHODIMP
 ChromeAppViewFactory::CreateView(winapp::Core::IFrameworkView** view) {
   *view = mswr::Make<ChromeAppViewAsh>().Detach();
   return (*view) ? S_OK :  E_OUTOFMEMORY;
 }