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/GrGLVertexArray.cpp b/src/gpu/gl/GrGLVertexArray.cpp
index a10f987..bf3d3b5 100644
--- a/src/gpu/gl/GrGLVertexArray.cpp
+++ b/src/gpu/gl/GrGLVertexArray.cpp
@@ -19,7 +19,7 @@
                                GrGLboolean normalized,
                                GrGLsizei stride,
                                GrGLvoid* offset) {
-    GrAssert(index >= 0 && index < fAttribArrayStates.count());
+    SkASSERT(index >= 0 && index < fAttribArrayStates.count());
     AttribArrayState* array = &fAttribArrayStates[index];
     if (!array->fEnableIsValid || !array->fEnabled) {
         GR_GL_CALL(gpu->glInterface(), EnableVertexAttribArray(index));