Add decode() functionality to image elements.

third_party/WebKit/Source/web/WebFrameWidgetBase.cpp

Index: third_party/WebKit/Source/web/WebFrameWidgetBase.cpp
diff --git a/third_party/WebKit/Source/web/WebFrameWidgetBase.cpp b/third_party/WebKit/Source/web/WebFrameWidgetBase.cpp
index 20da5c42e59bed4386cc362d95d6d8b4db3b8bad..0ff245402c9c95d1fa35ed20b252554811cd2000 100644
--- a/third_party/WebKit/Source/web/WebFrameWidgetBase.cpp
+++ b/third_party/WebKit/Source/web/WebFrameWidgetBase.cpp
@@ -248,6 +248,12 @@ void WebFrameWidgetBase::DidLosePointerLock() {
   GetPage()->GetPointerLockController().DidLosePointerLock();
 }
 
+void WebFrameWidgetBase::RequestDecode(
+    sk_sp<SkImage> image,
+    std::unique_ptr<WTF::Function<void(bool)>> callback) {
+  View()->RequestDecode(std::move(image), std::move(callback));
+}
+
 void WebFrameWidgetBase::PointerLockMouseEvent(const WebInputEvent& event) {
   std::unique_ptr<UserGestureIndicator> gesture_indicator;
   AtomicString event_type;