Implements getImageAnimationPolicy() at ImageLoader.

Source/core/loader/ImageLoader.cpp

Index: Source/core/loader/ImageLoader.cpp
diff --git a/Source/core/loader/ImageLoader.cpp b/Source/core/loader/ImageLoader.cpp
index 8e1adb8b22220c11f5fdf34f0fcf5e54bd36932e..73d71be96e057ee2fa5790577bfb15dda37c077c 100644
--- a/Source/core/loader/ImageLoader.cpp
+++ b/Source/core/loader/ImageLoader.cpp
@@ -33,6 +33,7 @@
 #include "core/fetch/MemoryCache.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "core/frame/LocalFrame.h"
+#include "core/frame/Settings.h"
 #include "core/frame/UseCounter.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/html/parser/HTMLParserIdioms.h"
@@ -591,6 +592,15 @@ void ImageLoader::removeClient(ImageLoaderClient* client)
     m_clients.remove(client);
 }
 
+bool ImageLoader::getImageAnimationPolicy(ImageResource*, ImageAnimationPolicy& policy)
+{
+    if (!element()->document().settings())
+        return false;
+
+    policy = element()->document().settings()->imageAnimationPolicy();
+    return true;
+}
+
 void ImageLoader::dispatchPendingLoadEvents()
 {
     loadEventSender().dispatchPendingEvents();