SVGImage: check requestCount() to check all subresources are loaded

third_party/WebKit/Source/core/loader/ImageLoader.cpp

Index: third_party/WebKit/Source/core/loader/ImageLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/ImageLoader.cpp b/third_party/WebKit/Source/core/loader/ImageLoader.cpp
index 0f4df8fbfa6a9c495f37403e93a04b05906124c3..629631839019274fe9264e71dbc2e2362bfde87b 100644
--- a/third_party/WebKit/Source/core/loader/ImageLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/ImageLoader.cpp
@@ -481,8 +481,10 @@ void ImageLoader::finish()
 
     updateLayoutObject();
 
-    if (cachedImage && cachedImage->getImage() && cachedImage->getImage()->isSVGImage())
+    if (cachedImage && cachedImage->getImage() && cachedImage->getImage()->isSVGImage()) {
+        toSVGImage(m_image->getImage())->assertSubresourcesLoaded();
         toSVGImage(cachedImage->getImage())->updateUseCounters(element()->document());
+    }
 
     finishInternal(cachedImage);