"NULL !=" = NULL

R=reed@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/544233002
diff --git a/debugger/SkDebugger.h b/debugger/SkDebugger.h
index 9ad21e2..53b480a 100644
--- a/debugger/SkDebugger.h
+++ b/debugger/SkDebugger.h
@@ -100,25 +100,25 @@
     }
 
     void setOverdrawViz(bool overDrawViz) {
-        if (NULL != fDebugCanvas) {
+        if (fDebugCanvas) {
             fDebugCanvas->setOverdrawViz(overDrawViz);
         }
     }
 
     void setPathOps(bool pathOps) {
-        if (NULL != fDebugCanvas) {
+        if (fDebugCanvas) {
             fDebugCanvas->setAllowSimplifyClip(pathOps);
         }
     }
 
     void setMegaViz(bool megaViz) {
-        if (NULL != fDebugCanvas) {
+        if (fDebugCanvas) {
             fDebugCanvas->setMegaVizMode(megaViz);
         }
     }
 
     void setTexFilterOverride(bool texFilterOverride, SkPaint::FilterLevel level) {
-        if (NULL != fDebugCanvas) {
+        if (fDebugCanvas) {
             fDebugCanvas->overrideTexFiltering(texFilterOverride, level);
         }
     }