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/GrResource.cpp b/src/gpu/GrResource.cpp
index 8fb21e8..91ffe79 100644
--- a/src/gpu/GrResource.cpp
+++ b/src/gpu/GrResource.cpp
@@ -26,8 +26,8 @@
 
 GrResource::~GrResource() {
     // subclass should have released this.
-    GrAssert(0 == fDeferredRefCount);
-    GrAssert(!this->isValid());
+    SkASSERT(0 == fDeferredRefCount);
+    SkASSERT(!this->isValid());
 }
 
 void GrResource::release() {