Replace uses of GrAssert by SkASSERT.

src/gpu/gl/GrGLUniformManager.h

Index: src/gpu/gl/GrGLUniformManager.h
diff --git a/src/gpu/gl/GrGLUniformManager.h b/src/gpu/gl/GrGLUniformManager.h
index 863d66facdcec40c9d6fa054c6403dc8f93696ab..1ef262da9fe055869134c5d4f8569c5e2c29af78 100644
--- a/src/gpu/gl/GrGLUniformManager.h
+++ b/src/gpu/gl/GrGLUniformManager.h
@@ -37,10 +37,10 @@ public:
     private:
         UniformHandle(int value)
             : fValue(~value) {
-            GrAssert(isValid());
+            SkASSERT(isValid());
         }
 
-        int toUniformIndex() const { GrAssert(isValid()); return ~fValue; }
+        int toUniformIndex() const { SkASSERT(isValid()); return ~fValue; }
 
         int fValue;
         friend class GrGLUniformManager; // For accessing toUniformIndex().