Fix crash in ~GrContext

BUG=804352, 804111
Change-Id: Ia8475a4a8a6de77438cde7df53931dc70c405b16
Reviewed-on: https://skia-review.googlesource.com/98341
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index eedb3e475f..f6c66db223 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -314,7 +314,9 @@ GrContext::~GrContext() {
         this->flush();
     }
 
-    fDrawingManager->cleanup();
+    if (fDrawingManager) {
+        fDrawingManager->cleanup();
+    }
 
     for (int i = 0; i < fCleanUpData.count(); ++i) {
         (*fCleanUpData[i].fFunc)(this, fCleanUpData[i].fInfo);