Remove ChromeV8Extension & most of ChromeV8Context

chrome/renderer/extensions/chrome_v8_context_set.h

-// Copyright (c) 2012 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 CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_SET_H_
-#define CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_SET_H_
-
-#include <set>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/bind.h"
-#include "v8/include/v8.h"
-
-class GURL;
-
-namespace base {
-class ListValue;
-}
-
-namespace content {
-class RenderView;
-}
-
-namespace v8 {
-class Context;
-}
-
-namespace extensions {
-class ChromeV8Context;
-
-// A container of ExtensionBindingsContext. Since calling JavaScript within a
-// context can cause any number of contexts to be created or destroyed, this
-// has additional smarts to help with the set changing underneath callers.
-class ChromeV8ContextSet {
- public:
-  ChromeV8ContextSet();
-  ~ChromeV8ContextSet();
-
-  int size() const;
-
-  // Takes ownership of |context|.
-  void Add(ChromeV8Context* context);
-
-  // If the specified context is contained in this set, remove it, then delete
-  // it asynchronously. After this call returns the context object will still
-  // be valid, but its frame() pointer will be cleared.
-  void Remove(ChromeV8Context* context);
-
-  // Returns a copy to protect against changes.
-  typedef std::set<ChromeV8Context*> ContextSet;
-  ContextSet GetAll() const;
-
-  // Gets the ChromeV8Context corresponding to v8::Context::GetCurrent(), or
-  // NULL if no such context exists.
-  ChromeV8Context* GetCurrent() const;
-
-  // Gets the ChromeV8Context corresponding to v8::Context::GetCalling(), or
-  // NULL if no such context exists.
-  ChromeV8Context* GetCalling() const;
-
-  // Gets the ChromeV8Context corresponding to the specified
-  // v8::Context or NULL if no such context exists.
-  ChromeV8Context* GetByV8Context(v8::Handle<v8::Context> context) const;
-
-  // Synchronously runs |callback| with each ChromeV8Context that belongs to
-  // |extension_id| in |render_view|.
-  //
-  // |extension_id| may be "" to match all extensions.
-  // |render_view| may be NULL to match all render views.
-  void ForEach(const std::string& extension_id,
-               content::RenderView* render_view,
-               const base::Callback<void(ChromeV8Context*)>& callback) const;
-
-  // Cleans up contexts belonging to an unloaded extension.
-  //
-  // Returns the set of ChromeV8Contexts that were removed as a result. These
-  // are safe to interact with until the end of the current event loop, since
-  // they're deleted asynchronously.
-  ContextSet OnExtensionUnloaded(const std::string& extension_id);
-
- private:
-  ContextSet contexts_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChromeV8ContextSet);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_SET_H_