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/GrStencil.h b/src/gpu/GrStencil.h
index 1af98e6..d94a45f 100644
--- a/src/gpu/GrStencil.h
+++ b/src/gpu/GrStencil.h
@@ -284,7 +284,7 @@
     bool operator == (const GrStencilSettings& s) const {
         static const size_t gCompareSize = sizeof(GrStencilSettings) -
                                            sizeof(fFlags);
-        GrAssert((const char*)&fFlags + sizeof(fFlags) ==
+        SkASSERT((const char*)&fFlags + sizeof(fFlags) ==
                  (const char*)this + sizeof(GrStencilSettings));
         if (this->isDisabled() & s.isDisabled()) { // using & not &&
             return true;