Support for AudioContextOptions latencyHint.

content/renderer/renderer_blink_platform_impl.h

Index: content/renderer/renderer_blink_platform_impl.h
diff --git a/content/renderer/renderer_blink_platform_impl.h b/content/renderer/renderer_blink_platform_impl.h
index 278394646b62fecd13c7fbc060475668bd53a74a..c9c3fee3fb01c7f661ab32660dd99dd755d1e988 100644
--- a/content/renderer/renderer_blink_platform_impl.h
+++ b/content/renderer/renderer_blink_platform_impl.h
@@ -141,10 +141,9 @@ class CONTENT_EXPORT RendererBlinkPlatformImpl : public BlinkPlatformImpl {
   blink::WebDatabaseObserver* databaseObserver() override;
 
   blink::WebAudioDevice* createAudioDevice(
-      size_t buffer_size,
       unsigned input_channels,
       unsigned channels,
-      double sample_rate,
+      const blink::WebAudioLatencyHint& latency_hint,
       blink::WebAudioDevice::RenderCallback* callback,
       const blink::WebString& input_device_id,
       const blink::WebSecurityOrigin& security_origin) override;