Fix Y-flipped lighting in accelerated SVG reference filters in CSS. Since the compositor draws all…

cc/gl_renderer.cc

Index: cc/gl_renderer.cc
diff --git a/cc/gl_renderer.cc b/cc/gl_renderer.cc
index 6643a20ae6b68d3a2e1d3faf632558e0ba13a204..1b48615a12c70d9a905a4ed3b9166bb1fac04cf0 100644
--- a/cc/gl_renderer.cc
+++ b/cc/gl_renderer.cc
@@ -422,6 +422,7 @@ static SkBitmap applyImageFilter(GLRenderer* renderer, SkImageFilter* filter, Sc
     backendTextureDescription.fHeight = sourceTexture->size().height();
     backendTextureDescription.fConfig = kSkia8888_GrPixelConfig;
     backendTextureDescription.fTextureHandle = lock.textureId();
+    backendTextureDescription.fOrigin = kTopLeft_GrSurfaceOrigin;
     skia::RefPtr<GrTexture> texture = skia::AdoptRef(grContext->wrapBackendTexture(backendTextureDescription));
 
     // Place the platform texture inside an SkBitmap.
@@ -437,6 +438,7 @@ static SkBitmap applyImageFilter(GLRenderer* renderer, SkImageFilter* filter, Sc
     desc.fWidth = source.width();
     desc.fHeight = source.height();
     desc.fConfig = kSkia8888_GrPixelConfig;
+    desc.fOrigin = kTopLeft_GrSurfaceOrigin;
     GrAutoScratchTexture scratchTexture(grContext, desc, GrContext::kExact_ScratchTexMatch);
     skia::RefPtr<GrTexture> backingStore = skia::AdoptRef(scratchTexture.detach());