add mole collapse/expand events. convert mappy to use this.

chrome/renderer/extensions/extension_process_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/extension_process_bindings.h"
 
 #include "base/singleton.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/url_pattern.h"
 #include "chrome/common/render_messages.h"
@@ skipping 88 matching lines @@
     } else if (name->Equals(v8::String::New("GetExtensionViews"))) {
       return v8::FunctionTemplate::New(GetExtensionViews);
     } else if (name->Equals(v8::String::New("GetNextRequestId"))) {
       return v8::FunctionTemplate::New(GetNextRequestId);
     } else if (name->Equals(v8::String::New("OpenChannelToTab"))) {
       return v8::FunctionTemplate::New(OpenChannelToTab);
     } else if (name->Equals(v8::String::New("GetCurrentPageActions"))) {
       return v8::FunctionTemplate::New(GetCurrentPageActions);
     } else if (name->Equals(v8::String::New("StartRequest"))) {
       return v8::FunctionTemplate::New(StartRequest);
+    } else if (name->Equals(v8::String::New("GetRenderViewId"))) {
+      return v8::FunctionTemplate::New(GetRenderViewId);
     }
 
     return ExtensionBase::GetNativeFunction(name);
   }
 
  private:
   static v8::Handle<v8::Value> GetExtensionAPIDefinition(
       const v8::Arguments& args) {
     return v8::String::New(GetStringResource<IDR_EXTENSION_API_JSON>());
   }
@@ skipping 142 matching lines @@
     v8::Persistent<v8::Context> current_context =
         v8::Persistent<v8::Context>::New(v8::Context::GetCurrent());
     DCHECK(!current_context.IsEmpty());
     GetPendingRequestMap()[request_id].reset(new PendingRequest(
         current_context, name));
 
     renderview->SendExtensionRequest(name, json_args, request_id, has_callback);
 
     return v8::Undefined();
   }
+
+  static v8::Handle<v8::Value> GetRenderViewId(const v8::Arguments& args) {
+    RenderView* renderview = bindings_utils::GetRenderViewForCurrentContext();
+    if (!renderview)
+      return v8::Undefined();
+    return v8::Integer::New(renderview->routing_id());
+  }
 };
 
 }  // namespace
 
 v8::Extension* ExtensionProcessBindings::Get() {
   static v8::Extension* extension = new ExtensionImpl();
   return extension;
 }
 
 void ExtensionProcessBindings::SetFunctionNames(
@@ skipping 99 matching lines @@
       const std::string& function_name) {
   static const char kMessage[] =
       "You do not have permission to use 'chrome.%s'. Be sure to declare"
       " in your manifest what permissions you need.";
   std::string permission_name = GetPermissionName(function_name);
   std::string error_msg = StringPrintf(kMessage, permission_name.c_str());
 
   return v8::ThrowException(v8::Exception::Error(
       v8::String::New(error_msg.c_str())));
 }