Correct SourceImageStatus in OffscreenCanvas::getSourceImageForCanvas

third_party/WebKit/Source/platform/graphics/ImagePattern.cpp

Index: third_party/WebKit/Source/platform/graphics/ImagePattern.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/ImagePattern.cpp b/third_party/WebKit/Source/platform/graphics/ImagePattern.cpp
index 3f47f4f973ae4ac765d47eb656af818879e41122..2944ea1c3ea52a4d4103747efc3b1996cba83257 100644
--- a/third_party/WebKit/Source/platform/graphics/ImagePattern.cpp
+++ b/third_party/WebKit/Source/platform/graphics/ImagePattern.cpp
@@ -22,7 +22,9 @@ ImagePattern::ImagePattern(PassRefPtr<Image> image, RepeatMode repeatMode)
     : Pattern(repeatMode)
     , m_tileImage(image->imageForCurrentFrame())
 {
-    m_previousLocalMatrix.setIdentity();
+    SkMatrix matrix;
+    matrix.setIdentity();

[Justin Novosad, 2016/09/14 18:05:08]

I don't understand what this is supposed to fix. The constructors of class
members are always invoked prior to the class constructor.  Do you have a test
that demonstrates what this fixes?

+    m_previousLocalMatrix = matrix;
     if (m_tileImage) {
         // TODO(fmalita): mechanism to extract the actual SkImageInfo from an SkImage?
         const SkImageInfo info = SkImageInfo::MakeN32Premul(