"NULL !=" = NULL

R=reed@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/544233002
diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index 9c9b343..9d7e727 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -274,7 +274,7 @@
     virtual SkCanvas* createCanvas(SampleWindow::DeviceType dType,
                                    SampleWindow* win) {
 #if SK_SUPPORT_GPU
-        if (IsGpuDeviceType(dType) && NULL != fCurContext) {
+        if (IsGpuDeviceType(dType) && fCurContext) {
             SkAutoTUnref<SkBaseDevice> device(SkGpuDevice::Create(fCurRenderTarget));
             return new SkCanvas(device);
         } else
@@ -2053,7 +2053,7 @@
 
 #if SK_SUPPORT_GPU
     if (IsGpuDeviceType(fDeviceType) &&
-        NULL != fDevManager &&
+        fDevManager &&
         fDevManager->getGrRenderTarget() &&
         fDevManager->getGrRenderTarget()->numSamples() > 0) {
         title.appendf(" [MSAA: %d]",