"NULL !=" = NULL

R=reed@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/544233002
diff --git a/debugger/QT/SkDebuggerGUI.cpp b/debugger/QT/SkDebuggerGUI.cpp
index 1a324fd..b03b8f3 100644
--- a/debugger/QT/SkDebuggerGUI.cpp
+++ b/debugger/QT/SkDebuggerGUI.cpp
@@ -186,7 +186,7 @@
         int opIndex = -1;
 
         while (!reader.eof()) {
-            if (NULL != callback && callback->abortDrawing()) {
+            if (callback && callback->abortDrawing()) {
                 return;
             }