Remove unused ContentBrowserClient::IsFastShutdownPossible.

chrome/browser/chrome_content_browser_client.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 "chrome/browser/chrome_content_browser_client.h"
 
 #include <map>
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 2273 matching lines @@
 
 content::SpeechRecognitionManagerDelegate*
     ChromeContentBrowserClient::CreateSpeechRecognitionManagerDelegate() {
   return new speech::ChromeSpeechRecognitionManagerDelegate();
 }
 
 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
   return g_browser_process->net_log();
 }
 
-bool ChromeContentBrowserClient::IsFastShutdownPossible() {
-  return true;
-}
-
 void ChromeContentBrowserClient::OverrideWebkitPrefs(
     RenderViewHost* rvh, WebPreferences* web_prefs) {
   Profile* profile = Profile::FromBrowserContext(
       rvh->GetProcess()->GetBrowserContext());
   PrefService* prefs = profile->GetPrefs();
 
   // Fill per-script font preferences. These are not registered on Android
   // - http://crbug.com/308033.
 #if !defined(OS_ANDROID)
   FontFamilyCache::FillFontFamilyMap(profile,
@@ skipping 749 matching lines @@
   if (channel <= kMaxDisableEncryptionChannel) {
     static const char* const kWebRtcDevSwitchNames[] = {
       switches::kDisableWebRtcEncryption,
     };
     to_command_line->CopySwitchesFrom(from_command_line,
                                       kWebRtcDevSwitchNames,
                                       arraysize(kWebRtcDevSwitchNames));
   }
 }
 #endif  // defined(ENABLE_WEBRTC)