Move MainWorldScriptContext accessor/method from WebFrame to WebLocalFrame.

content/renderer/gpu/gpu_benchmarking_extension.cc

Index: content/renderer/gpu/gpu_benchmarking_extension.cc
diff --git a/content/renderer/gpu/gpu_benchmarking_extension.cc b/content/renderer/gpu/gpu_benchmarking_extension.cc
index e05aab5161ce22276c8e69a28879a7086d751d99..e37cba665d2fde69fafa32dcfc85ee86d477cd12 100644
--- a/content/renderer/gpu/gpu_benchmarking_extension.cc
+++ b/content/renderer/gpu/gpu_benchmarking_extension.cc
@@ -544,7 +544,7 @@ static sk_sp<SkDocument> MakeXPSDocument(SkWStream* s) {
 gin::WrapperInfo GpuBenchmarking::kWrapperInfo = {gin::kEmbedderNativeGin};
 
 // static
-void GpuBenchmarking::Install(blink::WebFrame* frame) {
+void GpuBenchmarking::Install(blink::WebLocalFrame* frame) {
   v8::Isolate* isolate = blink::MainThreadIsolate();
   v8::HandleScope handle_scope(isolate);
   v8::Local<v8::Context> context = frame->MainWorldScriptContext();