Remove newMediaPlaybackUi flag from content/ and Blink.

third_party/WebKit/Source/core/layout/LayoutThemeMobile.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 10 matching lines @@
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/layout/LayoutThemeMobile.h"
 
 #include "core/style/ComputedStyle.h"
 #include "platform/LayoutTestSupport.h"
 #include "platform/PlatformResourceLoader.h"
-#include "platform/RuntimeEnabledFeatures.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebThemeEngine.h"
 
 namespace blink {
 
 PassRefPtr<LayoutTheme> LayoutThemeMobile::create() {
   return adoptRef(new LayoutThemeMobile());
 }
 
 LayoutThemeMobile::~LayoutThemeMobile() {}
 
 String LayoutThemeMobile::extraDefaultStyleSheet() {
   return LayoutThemeDefault::extraDefaultStyleSheet() +
          loadResourceAsASCIIString("themeChromiumLinux.css") +
          loadResourceAsASCIIString("themeChromiumAndroid.css");
 }
 
 String LayoutThemeMobile::extraMediaControlsStyleSheet() {
-  return loadResourceAsASCIIString(
-      RuntimeEnabledFeatures::newMediaPlaybackUiEnabled()
-          ? "mediaControlsAndroidNew.css"
-          : "mediaControlsAndroid.css");
+  return loadResourceAsASCIIString("mediaControlsAndroidNew.css");
 }
 
 String LayoutThemeMobile::extraFullscreenStyleSheet() {
   return loadResourceAsASCIIString("fullscreenAndroid.css");
 }
 
 void LayoutThemeMobile::adjustInnerSpinButtonStyle(ComputedStyle& style) const {
   if (LayoutTestSupport::isRunningLayoutTest()) {
     // Match Linux spin button style in layout tests.
     // FIXME: Consider removing the conditional if a future Android theme
@@ skipping 11 matching lines @@
 #if OS(MACOSX)
   // Mac WebThemeEngine cannot handle these controls.
   ControlPart part = style.appearance();
   if (part == CheckboxPart || part == RadioPart)
     return true;
 #endif
   return LayoutThemeDefault::shouldUseFallbackTheme(style);
 }
 
 }  // namespace blink