Remove RuntimeEnabledFeature for DirectWrite

Controlled by explicit API now, per
https://codereview.chromium.org/210243004 and must land after https://codereview.chromium.org/212953007/ .

R=eae@chromium.org, jamesr@chromium.org
BUG=333029

Review URL: https://codereview.chromium.org/213173003

git-svn-id: svn://svn.chromium.org/blink/trunk@170242 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/platform/RuntimeEnabledFeatures.in

@@ -45,7 +45,6 @@ Database status=stable
 DeviceMotion status=stable
 DeviceOrientation status=stable
 DialogElement status=experimental
-DirectWrite
 EncodingAPI status=experimental
 EncryptedMedia status=test
 EncryptedMediaAnyVersion status=stable

third_party/WebKit/Source/web/WebRuntimeFeatures.cpp

@@ -100,12 +100,6 @@ bool WebRuntimeFeatures::isPrefixedEncryptedMediaEnabled()
     return RuntimeEnabledFeatures::prefixedEncryptedMediaEnabled();
 }
 
-void WebRuntimeFeatures::enableDirectWrite(bool enable)
-{
-    RuntimeEnabledFeatures::setDirectWriteEnabled(enable);
-    RuntimeEnabledFeatures::setSubpixelFontScalingEnabled(enable || RuntimeEnabledFeatures::subpixelFontScalingEnabled());
-}
-
 void WebRuntimeFeatures::enableExperimentalCanvasFeatures(bool enable)
 {
     RuntimeEnabledFeatures::setExperimentalCanvasFeaturesEnabled(enable);

third_party/WebKit/public/web/WebRuntimeFeatures.h

@@ -56,8 +56,6 @@ public:
 
     BLINK_EXPORT static void enableBleedingEdgeFastPaths(bool);
 
-    BLINK_EXPORT static void enableDirectWrite(bool);
-
     BLINK_EXPORT static void enableExperimentalCanvasFeatures(bool);
 
     BLINK_EXPORT static void enableFastTextAutosizing(bool);