Add notifications for when V8Proxy creates or destroys a V8 Context.

chrome/renderer/extensions/event_bindings.cc

 // Copyright (c) 2009 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.
 
 #include "chrome/renderer/extensions/event_bindings.h"
 
 #include "base/basictypes.h"
 #include "base/singleton.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/renderer/extensions/bindings_utils.h"
 #include "chrome/renderer/extensions/event_bindings.h"
 #include "chrome/renderer/js_only_v8_extensions.h"
 #include "chrome/renderer/render_thread.h"
 #include "grit/renderer_resources.h"
+#include "webkit/glue/webframe.h"
 
 namespace {
 
 // Keep a local cache of RenderThread so that we can mock it out for unit tests.
 static RenderThreadBase* render_thread = NULL;
 
 static RenderThreadBase* GetRenderThread() {
   return render_thread ? render_thread : RenderThread::current();
 }
 
@@ skipping 132 matching lines @@
 
 v8::Extension* EventBindings::Get() {
   return new ExtensionImpl();
 }
 
 // static
 void EventBindings::SetRenderThread(RenderThreadBase* thread) {
   render_thread = thread;
 }
 
+// static
+void EventBindings::HandleContextCreated(WebFrame* frame) {
+  v8::HandleScope handle_scope;
+  v8::Local<v8::Context> context = frame->GetScriptContext();
+  DCHECK(!context.IsEmpty());
+  // TODO(mpcomplete): register it
+}
+
+// static
+void EventBindings::HandleContextDestroyed(WebFrame* frame) {
+  v8::HandleScope handle_scope;
+  v8::Local<v8::Context> context = frame->GetScriptContext();
+  DCHECK(!context.IsEmpty());
+  // TODO(mpcomplete): unregister it, dispatch event
+}
+
 void EventBindings::CallFunction(const std::string& function_name,
                                  int argc, v8::Handle<v8::Value>* argv) {
   for (ContextList::iterator it = GetRegisteredContexts().begin();
        it != GetRegisteredContexts().end(); ++it) {
     CallFunctionInContext(*it, function_name, argc, argv);
   }
 }