More NoGPU compile fixes

I can now build 'most' with skia_gpu=0 on my machine.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2340133003

Review-Url: https://codereview.chromium.org/2340133003
diff --git a/bench/ImageCacheBudgetBench.cpp b/bench/ImageCacheBudgetBench.cpp
index 32804ba..11b4c50 100644
--- a/bench/ImageCacheBudgetBench.cpp
+++ b/bench/ImageCacheBudgetBench.cpp
@@ -6,12 +6,15 @@
  */
 
 #include "Benchmark.h"
-#include "GrContext.h"
 #include "sk_tool_utils.h"
 #include "SkCanvas.h"
 #include "SkImage.h"
 #include "SkSurface.h"
 
+#if SK_SUPPORT_GPU
+
+#include "GrContext.h"
+
 /** These benchmarks were designed to measure changes to GrResourceCache's replacement policy */
 
 //////////////////////////////////////////////////////////////////////////////
@@ -255,3 +258,5 @@
 
 DEF_BENCH( return new ImageCacheBudgetDynamicBench(ImageCacheBudgetDynamicBench::Mode::kPingPong); )
 DEF_BENCH( return new ImageCacheBudgetDynamicBench(ImageCacheBudgetDynamicBench::Mode::kFlipFlop); )
+
+#endif