Merge ExtensionImpl into EventBindings.

extensions/renderer/event_bindings.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 EXTENSIONS_RENDERER_EVENT_BINDINGS_H_
 #define EXTENSIONS_RENDERER_EVENT_BINDINGS_H_
 
+#include "extensions/renderer/object_backed_native_handler.h"
 #include "v8/include/v8.h"
 
+namespace base {
+class DictionaryValue;
+}
+
 namespace extensions {
+class ChromeV8Context;
 class Dispatcher;
-class ObjectBackedNativeHandler;
-class ScriptContext;
+class EventFilter;
+class EventFilteringInfo;
+class EventMatcher;
 
 // This class deals with the javascript bindings related to Event objects.
-class EventBindings {
+class EventBindings : public ObjectBackedNativeHandler {
  public:
-  static ObjectBackedNativeHandler* Create(Dispatcher* dispatcher,
-                                           ScriptContext* context);
+  EventBindings(Dispatcher* dispatcher, ScriptContext* context);
+  virtual ~EventBindings();
+
+ private:
+  // Attach an event name to an object.
+  // |event_name| The name of the event to attach.
+  void AttachEvent(const v8::FunctionCallbackInfo<v8::Value>& args);
+
+  // Detach an event name from an object.
+  // |event_name| The name of the event to stop listening to.
+  // |is_manual| True if this detach was done by the user via removeListener()
+  // as opposed to automatically during shutdown, in which case we should inform
+  // the browser we are no longer interested in that event.
+  void DetachEvent(const v8::FunctionCallbackInfo<v8::Value>& args);
+
+  // MatcherID AttachFilteredEvent(string event_name, object filter)
+  // |event_name| Name of the event to attach.
+  // |filter| Which instances of the named event are we interested in.
+  // returns the id assigned to the listener, which will be returned from calls
+  // to MatchAgainstEventFilter where this listener matches.
+  void AttachFilteredEvent(const v8::FunctionCallbackInfo<v8::Value>& args);
+
+  // void DetachFilteredEvent(int id, bool manual)
+  // id     - Id of the event to detach.
+  // manual - false if this is part of the extension unload process where all
+  //          listeners are automatically detached.
+  void DetachFilteredEvent(const v8::FunctionCallbackInfo<v8::Value>& args);
+
+  void MatchAgainstEventFilter(const v8::FunctionCallbackInfo<v8::Value>& args);
+
+  Dispatcher* dispatcher_;
+  scoped_ptr<EventMatcher> ParseEventMatcher(
+      base::DictionaryValue* filter_dict);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_EVENT_BINDINGS_H_