Remove rendundant WebLocalFrame parameter in various plugin code.

content/renderer/pepper/pepper_webplugin_impl_browsertest.cc

Index: content/renderer/pepper/pepper_webplugin_impl_browsertest.cc
diff --git a/content/renderer/pepper/pepper_webplugin_impl_browsertest.cc b/content/renderer/pepper/pepper_webplugin_impl_browsertest.cc
index 05b84d707e3533de60f911a5649e287ff89e5f34..71c7f582968a604eb607c2eb2e482e89ac3a91a2 100644
--- a/content/renderer/pepper/pepper_webplugin_impl_browsertest.cc
+++ b/content/renderer/pepper/pepper_webplugin_impl_browsertest.cc
@@ -166,14 +166,13 @@ class PepperWebPluginImplBrowserTest
   class MockContentRendererClient : public ContentRendererClient {
    public:
     bool OverrideCreatePlugin(RenderFrame* render_frame,
-                              blink::WebLocalFrame* frame,
                               const blink::WebPluginParams& params,
                               blink::WebPlugin** plugin) override {
       current_test_->throttler_ =
           new PluginInstanceThrottlerImpl(RenderFrame::DONT_RECORD_DECISION);
       current_test_->throttler_->AddObserver(current_test_);
       *plugin = render_frame->CreatePlugin(
-          frame, GetPluginInfo().ToWebPluginInfo(), params,
+          GetPluginInfo().ToWebPluginInfo(), params,
           base::WrapUnique(current_test_->throttler_));
       return *plugin;
     }