Adds WebElement::imageContents()

Source/web/WebElement.cpp

Index: Source/web/WebElement.cpp
diff --git a/Source/web/WebElement.cpp b/Source/web/WebElement.cpp
index 2dbf4fcde9a9f0b2cf8e55c72d9c385466a23644..c4f5f4dc9df3afa3f5af6a96cb9e0e2b772e8ed0 100644
--- a/Source/web/WebElement.cpp
+++ b/Source/web/WebElement.cpp
@@ -152,6 +152,22 @@ WebRect WebElement::boundsInViewportSpace()
     return unwrap<Element>()->boundsInRootViewSpace();
 }
 
+WebImage WebElement::imageContents()
+{
+    if (isNull())
+        return WebImage();
+
+    WebCore::Image* image = unwrap<Element>()->imageContents();
+    if (!image)
+        return WebImage();
+
+    RefPtr<NativeImageSkia> bitmap = image->nativeImageForCurrentFrame();
+    if (!bitmap)
+        return WebImage();
+
+    return bitmap->bitmap();
+}
+
 WebElement::WebElement(const PassRefPtr<Element>& elem)
     : WebNode(elem)
 {