Enable Device Motion on Android by default.

content/child/runtime_features.cc

 // Copyright 2013 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/child/runtime_features.h"
 
 #include "base/command_line.h"
 #include "content/public/common/content_switches.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 
@@ skipping 76 matching lines @@
 
   if (command_line.HasSwitch(switches::kEnableWebAnimationsCSS))
     WebRuntimeFeatures::enableWebAnimationsCSS();
 
   if (command_line.HasSwitch(switches::kEnableWebAnimationsSVG))
     WebRuntimeFeatures::enableWebAnimationsSVG();
 
   if (command_line.HasSwitch(switches::kEnableWebMIDI))
     WebRuntimeFeatures::enableWebMIDI(true);
 
+#if defined(OS_ANDROID)
+  // Enable Device Motion on Android by default.
+  WebRuntimeFeatures::enableDeviceMotion(
+      !command_line.HasSwitch(switches::kDisableDeviceMotion));
+#else
   if (command_line.HasSwitch(switches::kEnableDeviceMotion))
       WebRuntimeFeatures::enableDeviceMotion(true);
+#endif
 
   if (command_line.HasSwitch(switches::kDisableDeviceOrientation))
     WebRuntimeFeatures::enableDeviceOrientation(false);
 
   if (command_line.HasSwitch(switches::kDisableSpeechInput))
     WebRuntimeFeatures::enableSpeechInput(false);
 
   if (command_line.HasSwitch(switches::kDisableFileSystem))
     WebRuntimeFeatures::enableFileSystem(false);
 
   if (command_line.HasSwitch(switches::kEnableExperimentalCanvasFeatures))
     WebRuntimeFeatures::enableExperimentalCanvasFeatures(true);
 
   if (command_line.HasSwitch(switches::kEnableSpeechSynthesis))
     WebRuntimeFeatures::enableSpeechSynthesis(true);
 
   if (command_line.HasSwitch(switches::kEnableWebGLDraftExtensions))
     WebRuntimeFeatures::enableWebGLDraftExtensions(true);
 }
 
 }  // namespace content