Remove rendundant WebLocalFrame parameter in various plugin code.

content/shell/test_runner/web_frame_test_client.cc

Index: content/shell/test_runner/web_frame_test_client.cc
diff --git a/content/shell/test_runner/web_frame_test_client.cc b/content/shell/test_runner/web_frame_test_client.cc
index 2a52fad8863c64d550a6d8918ae5bd3ce599d7a9..d465938e2f27bc14a9682f067d4f925aa9210854 100644
--- a/content/shell/test_runner/web_frame_test_client.cc
+++ b/content/shell/test_runner/web_frame_test_client.cc
@@ -370,11 +370,10 @@ void WebFrameTestClient::DidChangeSelection(bool is_empty_callback) {
 }
 
 blink::WebPlugin* WebFrameTestClient::CreatePlugin(
-    blink::WebLocalFrame* frame,
     const blink::WebPluginParams& params) {
   if (TestPlugin::IsSupportedMimeType(params.mime_type))
-    return TestPlugin::create(frame, params, delegate_);
-  return delegate_->CreatePluginPlaceholder(frame, params);
+    return TestPlugin::Create(params, delegate_);
+  return delegate_->CreatePluginPlaceholder(params);
 }
 
 void WebFrameTestClient::ShowContextMenu(