Expose Web Animations API to Web Workers

Source/core/page/PageAnimator.cpp

Index: Source/core/page/PageAnimator.cpp
diff --git a/Source/core/page/PageAnimator.cpp b/Source/core/page/PageAnimator.cpp
index 0412bd9adc3d5e2601c605b812c633d12494a35e..4e722bbbca3f5dd5f36b740ae355fe427d461e3a 100644
--- a/Source/core/page/PageAnimator.cpp
+++ b/Source/core/page/PageAnimator.cpp
@@ -4,7 +4,6 @@
 
 #include "config.h"
 #include "core/page/PageAnimator.h"
-
 #include "core/animation/DocumentAnimations.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
@@ -12,6 +11,7 @@
 #include "core/page/ChromeClient.h"
 #include "core/page/Page.h"
 #include "core/svg/SVGDocumentExtensions.h"
+#include "wtf/Vector.h"
 
 namespace blink {
 
@@ -28,6 +28,11 @@ void PageAnimator::serviceScriptedAnimations(double monotonicAnimationStartTime)
     m_animationFramePending = false;
     TemporaryChange<bool> servicing(m_servicingAnimations, true);
 
+    // Sending monotonicAnimationStartTime over to worker global scopes.
+    for (unsigned i = 0; i < m_page->m_ProxyMap->workerVector.size(); i++) {
+        m_page->m_ProxyMap->workerVector.at(i)->processRAF(monotonicAnimationStartTime);
+    }
+    m_page->m_ProxyMap->checkForReportStartTime();
     for (RefPtr<Frame> frame = m_page->mainFrame(); frame; frame = frame->tree().traverseNext()) {
         if (frame->isLocalFrame()) {
             RefPtr<LocalFrame> localFrame = toLocalFrame(frame.get());