Remove all use of crop edges from SkImageFilter::CropRect.

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp

Index: third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
diff --git a/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp b/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
index 3bc0a9850e0bf629b26017a2e0610ad5a2d00366..af8bbf036e7934b205e471235d71661f5729eda9 100644
--- a/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
+++ b/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
@@ -329,6 +329,9 @@ SkImageFilter* CanvasRenderingContext2DState::getFilter(Element* styleResolution
 
         SkiaImageFilterBuilder imageFilterBuilder;
         RawPtr<FilterEffect> lastEffect = filterEffectBuilder->lastEffect();
+        if (lastEffect) {
+            lastEffect->determineFilterPrimitiveSubregion();

[f(malita), 2016/04/06 14:21:08]

Is this something that could be pushed into FilterEffectBuilder::build()?

[Stephen White, 2016/04/11 21:30:22]

Unfortunately, each of the paths (HTML and SVG) is already calling this from a
different place. And I'd rather not mess with them just yet.

[f(malita), 2016/04/12 05:00:18]

Ack.

+        }
         m_resolvedFilter = imageFilterBuilder.build(lastEffect.get(), ColorSpaceDeviceRGB);
         if (m_resolvedFilter) {
             updateFilterReferences(toHTMLCanvasElement(styleResolutionHost), context, filterStyle->filter());