Drive extension functions from ExtensionFunction::Run. The

apps/shell/browser/shell_app_window_api.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 "apps/shell/browser/shell_app_window_api.h"
+
+#include "apps/shell/browser/shell_app_window.h"
+#include "apps/shell/browser/shell_desktop_controller.h"
+#include "base/values.h"
+
+using base::DictionaryValue;
+
+namespace extensions {
+namespace {
+
+// Returns stub values for window bounds.
+DictionaryValue* CreateStubBoundsProperties() {
+  DictionaryValue* properties = new DictionaryValue;
+  properties->SetInteger("left", 0);
+  properties->SetInteger("top", 0);
+  properties->SetInteger("width", 0);
+  properties->SetInteger("height", 0);
+  return properties;
+}
+
+// Creates a function call result to send to the renderer.
+DictionaryValue* CreateResult(apps::ShellAppWindow* app_window) {
+  int view_id = app_window->GetRenderViewRoutingID();
+
+  DictionaryValue* result = new DictionaryValue;
+  result->Set("viewId", new base::FundamentalValue(view_id));
+  result->Set("injectTitlebar", new base::FundamentalValue(false));
+  result->Set("id", new base::StringValue("app_shell"));
+
+  // Add stub window property data.
+  result->SetBoolean("fullscreen", true);
+  result->SetBoolean("minimized", false);
+  result->SetBoolean("maximized", false);
+  result->SetBoolean("alwaysOnTop", false);
+  result->SetBoolean("hasFrameColor", false);
+  result->SetInteger("frameColor", 0);
+  result->Set("innerBounds", CreateStubBoundsProperties());
+  result->Set("outerBounds", CreateStubBoundsProperties());
+
+  return result;
+}
+
+}  // namespace
+
+ShellAppWindowCreateFunction::ShellAppWindowCreateFunction() {
+}
+
+ShellAppWindowCreateFunction::~ShellAppWindowCreateFunction() {
+}
+
+bool ShellAppWindowCreateFunction::RunAsync() {
+  // Arguments must contain a URL and may contain options and a callback.
+  if (args_->GetSize() < 1 || args_->GetSize() > 3)
+    return false;
+
+  // Extract the URL for the window contents, e.g. "main.html".
+  std::string url_string;
+  if (!args_->GetString(0, &url_string))
+    return false;
+
+  // Convert "main.html" to "chrome-extension:/<id>/main.html".
+  GURL url = GetExtension()->GetResourceURL(url_string);
+  if (!url.is_valid())
+    return false;
+
+  // The desktop keeps ownership of the window.
+  apps::ShellAppWindow* app_window =
+      apps::ShellDesktopController::instance()->CreateAppWindow(
+          browser_context());
+  app_window->LoadURL(url);
+
+  // Create the reply to send to the renderer.
+  DictionaryValue* result = CreateResult(app_window);
+  SetResult(result);
+
+  SendResponse(true /* success */);
+  return true;
+}
+
+}  // namespace extensions