Check If ImageBuffer is allocated before proceeding.

Source/core/rendering/svg/RenderSVGResourceFilter.cpp

Index: Source/core/rendering/svg/RenderSVGResourceFilter.cpp
diff --git a/Source/core/rendering/svg/RenderSVGResourceFilter.cpp b/Source/core/rendering/svg/RenderSVGResourceFilter.cpp
index 7ae178c9090d0a7a7e5fea86d97c77253e7ca14a..7ce9edaadd02a441e1f7379b26c5103a5e7e353f 100644
--- a/Source/core/rendering/svg/RenderSVGResourceFilter.cpp
+++ b/Source/core/rendering/svg/RenderSVGResourceFilter.cpp
@@ -131,6 +131,8 @@ static bool createImageBuffer(const Filter* filter, OwnPtr<ImageBuffer>& imageBu
     if (!surface->isValid())
         return false;
     OwnPtr<ImageBuffer> image = ImageBuffer::create(surface.release());
+    if (!image)

[Stephen White, 2014/09/12 19:12:20]

This change seems harmless, but note that this code is no longer called in
Chrome (and I plan to remove it in the next release).

[sivag, 2014/09/12 20:52:06]

Thanks Stephen. Please let me know if some changes are needed here.

+        return false;
 
     GraphicsContext* imageContext = image->context();
     ASSERT(imageContext);