Implement blink::Platform::yieldCurrentThread()

content/child/blink_platform_impl.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_
 #define CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_
 
 #include "base/compiler_specific.h"
 #include "base/debug/trace_event.h"
 #include "base/threading/thread_local_storage.h"
@@ skipping 68 matching lines @@
   virtual blink::WebString userAgent();
   virtual blink::WebData parseDataURL(
       const blink::WebURL& url, blink::WebString& mimetype,
       blink::WebString& charset);
   virtual blink::WebURLError cancelledError(const blink::WebURL& url) const;
   virtual bool isReservedIPAddress(
       const blink::WebSecurityOrigin&) const OVERRIDE;
   virtual bool isReservedIPAddress(const blink::WebURL&) const OVERRIDE;
   virtual blink::WebThread* createThread(const char* name);
   virtual blink::WebThread* currentThread();
+  virtual void yieldCurrentThread();
   virtual blink::WebWaitableEvent* createWaitableEvent();
   virtual blink::WebWaitableEvent* waitMultipleEvents(
       const blink::WebVector<blink::WebWaitableEvent*>& events);
   virtual void decrementStatsCounter(const char* name);
   virtual void incrementStatsCounter(const char* name);
   virtual void histogramCustomCounts(
     const char* name, int sample, int min, int max, int bucket_count);
   virtual void histogramEnumeration(
     const char* name, int sample, int boundary_value);
   virtual void histogramSparse(const char* name, int sample);
@@ skipping 78 matching lines @@
   bool shared_timer_fire_time_was_set_while_suspended_;
   int shared_timer_suspended_;  // counter
   scoped_ptr<FlingCurveConfiguration> fling_curve_configuration_;
   base::ThreadLocalStorage::Slot current_thread_slot_;
   WebCryptoImpl web_crypto_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_