Fix for Chrome Canaries.

R=bsalomon@google.com
TBR=bsalomon@google.com

Author: jvanverth@google.com

Review URL: https://codereview.chromium.org/434623010
diff --git a/src/gpu/GrDistanceFieldTextContext.cpp b/src/gpu/GrDistanceFieldTextContext.cpp
index 4e2567d..003ed40 100755
--- a/src/gpu/GrDistanceFieldTextContext.cpp
+++ b/src/gpu/GrDistanceFieldTextContext.cpp
@@ -157,7 +157,7 @@
                                                                      lum/255.f,
                                                                      flags));
 #else
-            fCachedEffect.reset(GrDistanceFieldTextureEffect::Create(currTexture,
+            fCachedEffect.reset(GrDistanceFieldTextureEffect::Create(fCurrTexture,
                                                                      params, flags));
 #endif
         }