Move webcrypto to child/ and add support to worker_webkitplatformsupport.

content/renderer/renderer_webkitplatformsupport_impl.cc

Index: content/renderer/renderer_webkitplatformsupport_impl.cc
diff --git a/content/renderer/renderer_webkitplatformsupport_impl.cc b/content/renderer/renderer_webkitplatformsupport_impl.cc
index 3118a1297eb9f32ce5ea1e573a40680c803191d7..07b609e0bff50e47f78c3c0ea9af6da639487a3c 100644
--- a/content/renderer/renderer_webkitplatformsupport_impl.cc
+++ b/content/renderer/renderer_webkitplatformsupport_impl.cc
@@ -52,7 +52,6 @@
 #include "content/renderer/renderer_clipboard_client.h"
 #include "content/renderer/screen_orientation/screen_orientation_dispatcher.h"
 #include "content/renderer/webclipboard_impl.h"
-#include "content/renderer/webcrypto/webcrypto_impl.h"
 #include "content/renderer/webgraphicscontext3d_provider_impl.h"
 #include "content/renderer/webpublicsuffixlist_impl.h"
 #include "gpu/config/gpu_info.h"
@@ -1106,15 +1105,6 @@ void RendererWebKitPlatformSupportImpl::SetMockDeviceOrientationDataForTesting(
 
 //------------------------------------------------------------------------------
 
-blink::WebCrypto* RendererWebKitPlatformSupportImpl::crypto() {
-  if (!web_crypto_)
-    web_crypto_.reset(new WebCryptoImpl());
-  return web_crypto_.get();
-
-}
-
-//------------------------------------------------------------------------------
-
 void RendererWebKitPlatformSupportImpl::vibrate(unsigned int milliseconds) {
   RenderThread::Get()->Send(
       new ViewHostMsg_Vibrate(base::checked_cast<int64>(milliseconds)));