Add command line flags for compositor's default tile size and

content/public/common/content_switches.h

 // 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.
 
 // Defines all the "content" command-line switches.
 
 #ifndef CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_
 #define CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_
 #pragma once
 
@@ skipping 164 matching lines @@
 CONTENT_EXPORT extern const char kUtilityProcess[];
 extern const char kUtilityProcessAllowedDir[];
 CONTENT_EXPORT extern const char kWaitForDebuggerChildren[];
 extern const char kWebCoreLogChannels[];
 extern const char kWebWorkerProcessPerCore[];
 extern const char kWebWorkerShareProcesses[];
 CONTENT_EXPORT extern const char kWorkerProcess[];
 CONTENT_EXPORT extern const char kZygoteCmdPrefix[];
 CONTENT_EXPORT extern const char kZygoteProcess[];
 CONTENT_EXPORT extern const char kDisableSoftwareRasterizer[];
+extern const char kDefaultTileWidth[];
+extern const char kDefaultTileHeight[];
+extern const char kMaxUntiledLayerWidth[];
+extern const char kMaxUntiledLayerHeight[];
 
 extern const char kEnableVisualWordMovement[];
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 extern const char kScrollPixels[];
 #endif
 
 #if defined(OS_MACOSX) || defined(OS_WIN)
 extern const char kUseSystemSSL[];
 #endif
 
 extern const char kEnablePerTilePainting[];
 
 #if defined(USE_AURA)
 CONTENT_EXPORT extern const char kFlingTapSuppressMaxDown[];
 CONTENT_EXPORT extern const char kFlingTapSuppressMaxGap[];
 CONTENT_EXPORT extern const char kTestCompositor[];
 #endif
 
 }  // namespace switches
 
 #endif  // CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_