Enable WebAudio on ARM64 and MIPS

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/common/content_switches_internal.h"
 #include "content/public/common/content_switches.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
@@ skipping 10 matching lines @@
 namespace content {
 
 static void SetRuntimeFeatureDefaultsForPlatform() {
 #if defined(OS_ANDROID)
   // MSE/EME implementation needs Android MediaCodec API.
   if (!media::MediaCodecBridge::IsAvailable()) {
     WebRuntimeFeatures::enableMediaSource(false);
     WebRuntimeFeatures::enablePrefixedEncryptedMedia(false);
     WebRuntimeFeatures::enableEncryptedMedia(false);
   }
-  // WebAudio is enabled by default on ARM and X86 and only when the
-  // MediaCodec API is available.
+  // WebAudio is enabled by default but only when the MediaCodec API
+  // is available.
+  AndroidCpuFamily cpu_family = android_getCpuFamily();
   WebRuntimeFeatures::enableWebAudio(
       media::MediaCodecBridge::IsAvailable() &&
-      ((android_getCpuFamily() == ANDROID_CPU_FAMILY_ARM) ||
-       (android_getCpuFamily() == ANDROID_CPU_FAMILY_X86)));
+      ((cpu_family == ANDROID_CPU_FAMILY_ARM) ||
+       (cpu_family == ANDROID_CPU_FAMILY_ARM64) ||
+       (cpu_family == ANDROID_CPU_FAMILY_X86) ||
+       (cpu_family == ANDROID_CPU_FAMILY_MIPS)));
 
   // Android supports gamepad API for JellyBean and beyond
   WebRuntimeFeatures::enableGamepad(
       base::android::BuildInfo::GetInstance()->sdk_int() >= 16);
   // Android does not have support for PagePopup
   WebRuntimeFeatures::enablePagePopup(false);
   // Android does not yet support the Web Notification API. crbug.com/115320
   WebRuntimeFeatures::enableNotifications(false);
   // Android does not yet support SharedWorker. crbug.com/154571
   WebRuntimeFeatures::enableSharedWorker(false);
@@ skipping 114 matching lines @@
     WebRuntimeFeatures::enableBleedingEdgeFastPaths(true);
 
   if (command_line.HasSwitch(switches::kEnablePreciseMemoryInfo))
     WebRuntimeFeatures::enablePreciseMemoryInfo(true);
 
   if (command_line.HasSwitch(switches::kEnableLayerSquashing))
     WebRuntimeFeatures::enableLayerSquashing(true);
 }
 
 }  // namespace content