Remove navigator.vibrate without user gesture.

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/feature_list.h"
@@ skipping 286 matching lines @@
 
   WebRuntimeFeatures::EnableFeatureFromString(
       "FontCacheScaling",
       base::FeatureList::IsEnabled(features::kFontCacheScaling));
 
   WebRuntimeFeatures::EnableFeatureFromString(
       "FramebustingNeedsSameOriginOrUserGesture",
       base::FeatureList::IsEnabled(
           features::kFramebustingNeedsSameOriginOrUserGesture));
 
+  WebRuntimeFeatures::enableFeatureFromString(
+      "VibrateRequiresUserGesture",
+      base::FeatureList::IsEnabled(features::kVibrateRequiresUserGesture));
+
   if (command_line.HasSwitch(switches::kDisableBackgroundTimerThrottling))
     WebRuntimeFeatures::EnableTimerThrottlingForBackgroundTabs(false);
 
   WebRuntimeFeatures::EnableExpensiveBackgroundTimerThrottling(
       base::FeatureList::IsEnabled(
           features::kExpensiveBackgroundTimerThrottling));
 
   if (base::FeatureList::IsEnabled(features::kHeapCompaction))
     WebRuntimeFeatures::EnableHeapCompaction(true);
 
@@ skipping 64 matching lines @@
   if (command_line.HasSwitch(switches::kDisableBlinkFeatures)) {
     std::vector<std::string> disabled_features = base::SplitString(
         command_line.GetSwitchValueASCII(switches::kDisableBlinkFeatures),
         ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
     for (const std::string& feature : disabled_features)
       WebRuntimeFeatures::EnableFeatureFromString(feature, false);
   }
 }
 
 }  // namespace content