Fix for MSAN unintialized value

src/gpu/effects/GrTextureDomain.h

Index: src/gpu/effects/GrTextureDomain.h
diff --git a/src/gpu/effects/GrTextureDomain.h b/src/gpu/effects/GrTextureDomain.h
index a2e6652e91cf91823cbe167104e4c9f62ab0bbad..5d91e72ddeab709c68ea141d0cc8aad6e1fa134f 100644
--- a/src/gpu/effects/GrTextureDomain.h
+++ b/src/gpu/effects/GrTextureDomain.h
@@ -95,7 +95,9 @@ public:
     class GLDomain {
     public:
         GLDomain() {
-            fPrevDomain[0] = SK_FloatNaN;
+            for (int i = 0; i < kPrevDomainCount; i++) {
+                fPrevDomain[i] = SK_FloatNaN;
+            }
             SkDEBUGCODE(fMode = (Mode) -1;)
         }
 
@@ -137,6 +139,7 @@ public:
         }
 
     private:
+        static const int kPrevDomainCount = 4;
         SkDEBUGCODE(Mode                      fMode;)
         GrGLProgramDataManager::UniformHandle fDomainUni;
         SkString                              fDomainName;

[robertphillips, 2015/08/25 18:00:00]

use kPrevDomainCount here too ?