Adds WebElement::imageContents()

Source/web/WebNode.cpp

Index: Source/web/WebNode.cpp
diff --git a/Source/web/WebNode.cpp b/Source/web/WebNode.cpp
index 9ce1b976448e9ec9b492f5999dc3ff9971ee2c65..febfadbfc3c0a9ee3b9f4bf67457f7dd4adeee31 100644
--- a/Source/web/WebNode.cpp
+++ b/Source/web/WebNode.cpp
@@ -49,6 +49,7 @@
 #include "core/editing/markup.h"
 #include "core/page/Frame.h"
 #include "core/platform/Widget.h"
+#include "core/rendering/RenderImage.h"
 #include "core/rendering/RenderObject.h"
 #include "core/rendering/RenderWidget.h"
 #include "public/platform/WebString.h"
@@ -251,6 +252,24 @@ WebElement WebNode::shadowHost() const
     return WebElement(coreNode->shadowHost());
 }
 
+WebImage WebNode::imageContents()
+{
+    if (isNull() || !m_private->isElementNode())
+        return WebImage();
+
+    RefPtr<Element> element = unwrap<Element>();

[darin (slow to review), 2013/07/30 05:02:41]

nit: perhaps we should have just put this method on WebElement then?  sorry for
not thinking to suggest this earlier :-/

+
+    WebCore::Image* image = element->imageContents();
+    if (!image)
+        return WebImage();
+
+    RefPtr<NativeImageSkia> bitmap = image->nativeImageForCurrentFrame();
+    if (!bitmap)
+        return WebImage();
+
+    return bitmap->bitmap();
+}
+
 WebNode::WebNode(const PassRefPtr<Node>& node)
     : m_private(node)
 {