Rename some WebUI Mojo concepts to be more generic

content/renderer/web_ui_runner.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CONTENT_RENDERER_WEB_UI_RUNNER_H_
-#define CONTENT_RENDERER_WEB_UI_RUNNER_H_
-
-#include "gin/runner.h"
-
-namespace blink {
-class WebFrame;
-}
-
-namespace content {
-
-// Implementation of gin::Runner that forwards Runner functions to WebFrame.
-class WebUIRunner : public gin::Runner {
- public:
-  // Does not take ownership of ContextHolder.
-  WebUIRunner(blink::WebFrame* frame, gin::ContextHolder* context_holder);
-  ~WebUIRunner() override;
-
-  // Runner overrides:
-  void Run(const std::string& source,
-           const std::string& resource_name) override;
-  v8::Local<v8::Value> Call(v8::Local<v8::Function> function,
-                             v8::Local<v8::Value> receiver,
-                             int argc,
-                             v8::Local<v8::Value> argv[]) override;
-  gin::ContextHolder* GetContextHolder() override;
-
- private:
-  // Frame to execute script in.
-  blink::WebFrame* frame_;
-
-  // Created by blink bindings to V8.
-  gin::ContextHolder* context_holder_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebUIRunner);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_WEB_UI_RUNNER_H_