bluetooth: Add a WebBluetooth command line flag.

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 <vector>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
@@ skipping 69 matching lines @@
   if (base::win::OSInfo::GetInstance()->version() >= base::win::VERSION_WIN8)
     WebRuntimeFeatures::enableScreenOrientation(false);
 #endif // OS_WIN
 }
 
 void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
     const base::CommandLine& command_line) {
   if (command_line.HasSwitch(switches::kEnableExperimentalWebPlatformFeatures))
     WebRuntimeFeatures::enableExperimentalFeatures(true);
 
+  if (command_line.HasSwitch(switches::kEnableWebBluetooth))
+    WebRuntimeFeatures::enableWebBluetooth(true);
+
   SetRuntimeFeatureDefaultsForPlatform();
 
   if (command_line.HasSwitch(switches::kDisableDatabases))
     WebRuntimeFeatures::enableDatabase(false);
 
   if (command_line.HasSwitch(scheduler::switches::kDisableBlinkScheduler))
     WebRuntimeFeatures::enableBlinkScheduler(false);
 
   if (command_line.HasSwitch(switches::kDisableMediaSource))
     WebRuntimeFeatures::enableMediaSource(false);
@@ skipping 115 matching lines @@
         command_line.GetSwitchValueASCII(switches::kDisableBlinkFeatures), ',',
         &disabled_features);
     for (const std::string& feature : disabled_features) {
       WebRuntimeFeatures::enableFeatureFromString(
           blink::WebString::fromLatin1(feature), false);
     }
   }
 }
 
 }  // namespace content