Replace uses of GrAssert by SkASSERT.

R=bsalomon@google.com

Review URL: https://codereview.chromium.org/22850006

git-svn-id: http://skia.googlecode.com/svn/trunk@10789 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/gl/debug/GrDebugGL.h b/src/gpu/gl/debug/GrDebugGL.h
index 795e388..ad6edff 100644
--- a/src/gpu/gl/debug/GrDebugGL.h
+++ b/src/gpu/gl/debug/GrDebugGL.h
@@ -90,7 +90,7 @@
 
     static GrDebugGL *getInstance() {
         // someone should admit to actually using this class
-        GrAssert(0 < gStaticRefCount);
+        SkASSERT(0 < gStaticRefCount);
 
         if (NULL == gObj) {
             gObj = SkNEW(GrDebugGL);
@@ -106,7 +106,7 @@
     }
 
     static void staticUnRef() {
-        GrAssert(gStaticRefCount > 0);
+        SkASSERT(gStaticRefCount > 0);
         gStaticRefCount--;
         if (0 == gStaticRefCount) {
             SkDELETE(gObj);