Move webcrypto to child/ and add support to worker_webkitplatformsupport.

content/renderer/renderer_webkitplatformsupport_impl.h

Index: content/renderer/renderer_webkitplatformsupport_impl.h
diff --git a/content/renderer/renderer_webkitplatformsupport_impl.h b/content/renderer/renderer_webkitplatformsupport_impl.h
index bfa3f7a083de4037d150d4fad3f01a2fbfbd1655..9da11d9f8fa74e483992be2cc3a6909837e155c6 100644
--- a/content/renderer/renderer_webkitplatformsupport_impl.h
+++ b/content/renderer/renderer_webkitplatformsupport_impl.h
@@ -42,7 +42,6 @@ class RendererClipboardClient;
 class ScreenOrientationDispatcher;
 class ThreadSafeSender;
 class WebClipboardImpl;
-class WebCryptoImpl;
 class WebDatabaseObserverImpl;
 class WebFileSystemImpl;
 
@@ -151,7 +150,6 @@ class CONTENT_EXPORT RendererWebKitPlatformSupportImpl
       blink::WebDeviceMotionListener* listener) OVERRIDE;
   virtual void setDeviceOrientationListener(
       blink::WebDeviceOrientationListener* listener) OVERRIDE;
-  virtual blink::WebCrypto* crypto() OVERRIDE;
   virtual void queryStorageUsageAndQuota(
       const blink::WebURL& storage_partition,
       blink::WebStorageQuotaType,
@@ -228,8 +226,6 @@ class CONTENT_EXPORT RendererWebKitPlatformSupportImpl
 
   webkit::WebCompositorSupportImpl compositor_support_;
 
-  scoped_ptr<WebCryptoImpl> web_crypto_;
-
   scoped_ptr<ScreenOrientationDispatcher> screen_orientation_dispatcher_;
 
   scoped_ptr<blink::WebScrollbarBehavior> web_scrollbar_behavior_;