Move MainWorldScriptContext accessor/method from WebFrame to WebLocalFrame.

content/renderer/gpu/gpu_benchmarking_extension.h

Index: content/renderer/gpu/gpu_benchmarking_extension.h
diff --git a/content/renderer/gpu/gpu_benchmarking_extension.h b/content/renderer/gpu/gpu_benchmarking_extension.h
index 2b69d2b1329b1bb60d2669771ee08bf5498d25a4..fbb0022c2f530b18a86084fbfeb53fc0e5806190 100644
--- a/content/renderer/gpu/gpu_benchmarking_extension.h
+++ b/content/renderer/gpu/gpu_benchmarking_extension.h
@@ -9,7 +9,7 @@
 #include "gin/wrappable.h"
 
 namespace blink {
-class WebFrame;
+class WebLocalFrame;
 }
 
 namespace gin {
@@ -27,7 +27,7 @@ namespace content {
 class GpuBenchmarking : public gin::Wrappable<GpuBenchmarking> {
  public:
   static gin::WrapperInfo kWrapperInfo;
-  static void Install(blink::WebFrame* frame);
+  static void Install(blink::WebLocalFrame* frame);
 
  private:
   GpuBenchmarking();