Add DirectWrite flag and plumb it through to Blink

content/public/common/content_switches.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/public/common/content_switches.h"
 
 namespace switches {
 
 // The number of MSAA samples for canvas2D. Requires MSAA support by GPU to
 // have an effect. 0 disables MSAA.
@@ skipping 381 matching lines @@
 
 // Defer image decoding in WebKit until painting.
 const char kEnableDeferredImageDecoding[]   = "enable-deferred-image-decoding";
 
 // Enables the deadline scheduler.
 const char kEnableDeadlineScheduling[]      = "enable-deadline-scheduling";
 
 // Enables delegated renderer.
 const char kEnableDelegatedRenderer[]       = "enable-delegated-renderer";
 
+// Enables the DirectWrite font rendering system on windows.

[Avi (use Gerrit), 2013/11/16 06:26:51]

#if defined(OS_WIN)

+const char kEnableDirectWrite[]             = "enable-direct-write";
+
 // Enables restarting interrupted downloads.
 const char kEnableDownloadResumption[]      = "enable-download-resumption";
 
 // Enables support for Encrypted Media Extensions (e.g. MediaKeys).
 const char kEnableEncryptedMedia[] = "enable-encrypted-media";
 
 // Enable experimental canvas features, e.g. canvas 2D context attributes
 const char kEnableExperimentalCanvasFeatures[] =
     "enable-experimental-canvas-features";
 
@@ skipping 593 matching lines @@
 #endif
 
 #if defined(OS_POSIX)
 // Causes the child processes to cleanly exit via calling exit().
 const char kChildCleanExit[]                = "child-clean-exit";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches