Enable WebAudio support on Android/x86.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 90b14e69213d3247a946d2e19b02f5af37b2f617..b1bcfd0874599b83ab0b06946b7f33895cb8aee3 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -969,7 +969,6 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
     switches::kDisableUnprefixedMediaSource,
     switches::kDisableVp8AlphaPlayback,
     switches::kDisableWebAnimationsCSS,
-    switches::kDisableWebAudio,
     switches::kDisableWebKitMediaSource,
     switches::kDomAutomationController,
     switches::kEnableAcceleratedFixedRootBackground,
@@ -1125,6 +1124,13 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
     switches::kMediaDrmEnableNonCompositing,
     switches::kNetworkCountryIso,
 #endif
+#if defined(OS_ANDROID) && defined(ARCH_CPU_X86)
+    switches::kEnableWebAudio,
+#else
+    // Need to be able to disable webaudio on other platforms where it
+    // is enabled by default.
+    switches::kDisableWebAudio,
+#endif
 #if defined(OS_MACOSX)
     // Allow this to be set when invoking the browser and relayed along.
     switches::kEnableSandboxLogging,