Port identity_internals to mojo

content/renderer/web_ui_mojo_context_state.cc

 // 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.
 
 #include "content/renderer/web_ui_mojo_context_state.h"
 
 #include "base/bind.h"
 #include "base/stl_util.h"
 #include "content/public/renderer/resource_fetcher.h"
+#include "content/renderer/render_view_impl.h"
 #include "content/renderer/web_ui_runner.h"
 #include "gin/converter.h"
 #include "gin/modules/module_registry.h"
 #include "gin/per_context_data.h"
 #include "gin/public/context_holder.h"
 #include "gin/try_catch.h"
 #include "mojo/bindings/js/core.h"
 #include "mojo/bindings/js/handle.h"
 #include "mojo/bindings/js/support.h"
 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebScriptSource.h"
+#include "third_party/WebKit/public/web/WebView.h"
 
 using v8::Context;
 using v8::HandleScope;
 using v8::Isolate;
 using v8::Object;
 using v8::ObjectTemplate;
 using v8::Script;
 
 namespace content {
 
 namespace {
 
 // All modules have this prefixed to them when downloading.
 // TODO(sky): move this into some common place.
 const char kModulePrefix[] = "chrome://mojo/";
 
-void RunMain(base::WeakPtr<gin::Runner> runner,
-             mojo::ScopedMessagePipeHandle* handle,
-             v8::Handle<v8::Value> module) {
-  v8::Isolate* isolate = runner->GetContextHolder()->isolate();
-  v8::Handle<v8::Function> start;
-  CHECK(gin::ConvertFromV8(isolate, module, &start));
-  v8::Handle<v8::Value> args[] = {
-      gin::ConvertToV8(isolate, mojo::Handle(handle->release().value())) };
-  runner->Call(start, runner->global(), 1, args);
-}
-
 }  // namespace
 
 // WebUIMojo -------------------------------------------------------------------
 
-WebUIMojoContextState::WebUIMojoContextState(blink::WebFrame* frame,
+WebUIMojoContextState::WebUIMojoContextState(RenderViewImpl* render_view,
                                              v8::Handle<v8::Context> context)
-    : frame_(frame),
+    : frame_(render_view->GetWebView()->mainFrame()),
+      render_view_impl_(render_view),
       module_added_(false) {
   gin::PerContextData* context_data = gin::PerContextData::From(context);
   gin::ContextHolder* context_holder = context_data->context_holder();
   runner_.reset(new WebUIRunner(frame_, context_holder));
   gin::Runner::Scope scoper(runner_.get());
   gin::ModuleRegistry::From(context)->AddObserver(this);
   runner_->RegisterBuiltinModules();
   gin::ModuleRegistry::InstallGlobals(context->GetIsolate(), context->Global());
   // Warning |frame| may be destroyed.
   // TODO(sky): add test for this.
 }
 
 WebUIMojoContextState::~WebUIMojoContextState() {
   gin::Runner::Scope scoper(runner_.get());
   gin::ModuleRegistry::From(
       runner_->GetContextHolder()->context())->RemoveObserver(this);
 }
 
 void WebUIMojoContextState::SetHandle(mojo::ScopedMessagePipeHandle handle) {
   gin::ContextHolder* context_holder = runner_->GetContextHolder();
   mojo::ScopedMessagePipeHandle* passed_handle =
       new mojo::ScopedMessagePipeHandle(handle.Pass());
   gin::ModuleRegistry::From(context_holder->context())->LoadModule(
       context_holder->isolate(),
       "main",
-      base::Bind(RunMain, runner_->GetWeakPtr(), base::Owned(passed_handle)));
+      base::Bind(&WebUIMojoContextState::RunMain,
+                 AsWeakPtr(),
+                 base::Owned(passed_handle)));
+}
+
+void WebUIMojoContextState::RunMain(mojo::ScopedMessagePipeHandle* handle,
+                                    v8::Handle<v8::Value> module) {
+  v8::Isolate* isolate = runner_->GetContextHolder()->isolate();
+  v8::Handle<v8::Function> start;
+  CHECK(gin::ConvertFromV8(isolate, module, &start));
+  v8::Handle<v8::Value> args[] = {
+      gin::ConvertToV8(isolate, mojo::Handle(handle->release().value())) };
+  runner_->Call(start, runner_->global(), 1, args);
+
+  render_view_impl_->WebUIMojoMainRan();

[jam, 2014/07/25 21:29:58]

here, you can use frame_ to get to a RenderFrame, and just call
render_frame->Send(new FooMsg(render_frame->GetRoutingID(), ...

 }
 
 void WebUIMojoContextState::FetchModules(const std::vector<std::string>& ids) {
   gin::Runner::Scope scoper(runner_.get());
   gin::ContextHolder* context_holder = runner_->GetContextHolder();
   gin::ModuleRegistry* registry = gin::ModuleRegistry::From(
       context_holder->context());
   for (size_t i = 0; i < ids.size(); ++i) {
     if (fetched_modules_.find(ids[i]) == fetched_modules_.end() &&
         registry->available_modules().count(ids[i]) == 0) {
@@ skipping 41 matching lines @@
     const std::vector<std::string>& dependencies) {
   FetchModules(dependencies);
 
   gin::ContextHolder* context_holder = runner_->GetContextHolder();
   gin::ModuleRegistry* registry = gin::ModuleRegistry::From(
       context_holder->context());
   registry->AttemptToLoadMoreModules(context_holder->isolate());
 }
 
 }  // namespace content