scheduler: Implement WebFrameScheduler and WebPageScheduler

third_party/WebKit/Source/core/frame/FrameHost.cpp

Index: third_party/WebKit/Source/core/frame/FrameHost.cpp
diff --git a/third_party/WebKit/Source/core/frame/FrameHost.cpp b/third_party/WebKit/Source/core/frame/FrameHost.cpp
index a7486844c22a68c576fbaba63d9c314bc50e5c00..273301786e2824d1b2873cc94373ea50c8a33360 100644
--- a/third_party/WebKit/Source/core/frame/FrameHost.cpp
+++ b/third_party/WebKit/Source/core/frame/FrameHost.cpp
@@ -36,6 +36,9 @@
 #include "core/frame/TopControls.h"
 #include "core/inspector/ConsoleMessageStorage.h"
 #include "core/page/Page.h"
+#include "public/platform/Platform.h"
+#include "public/platform/WebFrameHostScheduler.h"
+#include "public/platform/WebScheduler.h"
 
 namespace blink {
 
@@ -51,6 +54,7 @@ FrameHost::FrameHost(Page& page)
     , m_visualViewport(VisualViewport::create(*this))
     , m_eventHandlerRegistry(adoptPtrWillBeNoop(new EventHandlerRegistry(*this)))
     , m_consoleMessageStorage(ConsoleMessageStorage::create())
+    , m_frameHostScheduler(adoptPtr(Platform::current()->currentThread()->scheduler()->createFrameHostScheduler()))
     , m_subframeCount(0)
 {
 }