Add support for chrome.app.window.create() to app_shell

apps/shell/browser/shell_app_window_delegate.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_delegate.h"
+
+#include "apps/ui/views/native_app_window_views.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_view.h"
+#include "ui/aura/window.h"
+
+namespace apps {
+
+ShellAppWindowDelegate::ShellAppWindowDelegate() {}
+
+ShellAppWindowDelegate::~ShellAppWindowDelegate() {}
+
+void ShellAppWindowDelegate::InitWebContents(
+    content::WebContents* web_contents) {}
+
+NativeAppWindow* ShellAppWindowDelegate::CreateNativeAppWindow(
+    AppWindow* window,
+    const AppWindow::CreateParams& params) {
+  NativeAppWindowViews* native_app_window = new NativeAppWindowViews;
+  native_app_window->Init(window, params);
+  return native_app_window;
+}
+
+content::WebContents* ShellAppWindowDelegate::OpenURLFromTab(
+    content::BrowserContext* context,
+    content::WebContents* source,
+    const content::OpenURLParams& params) {
+  return NULL;
+}
+
+void ShellAppWindowDelegate::AddNewContents(content::BrowserContext* context,
+                                            content::WebContents* new_contents,
+                                            WindowOpenDisposition disposition,
+                                            const gfx::Rect& initial_pos,
+                                            bool user_gesture,
+                                            bool* was_blocked) {
+  // Opening a new tab/window is not supported.

[miket_OOO, 2014/02/21 18:25:38]

Any chance a future developer will be confused by what's going on here? In other
words, should we debug-log what's being described in these comments?

[James Cook, 2014/02/22 00:11:17]

Done.

+}
+
+content::ColorChooser* ShellAppWindowDelegate::ShowColorChooser(
+    content::WebContents* web_contents,
+    SkColor initial_color) {
+  return NULL;
+}
+
+void ShellAppWindowDelegate::RunFileChooser(
+    content::WebContents* tab,
+    const content::FileChooserParams& params) {
+  // No file pickers in app_shell.
+}
+
+void ShellAppWindowDelegate::RequestMediaAccessPermission(
+    content::WebContents* web_contents,
+    const content::MediaStreamRequest& request,
+    const content::MediaResponseCallback& callback,
+    const extensions::Extension* extension) {
+  // TODO(jamescook): Support media capture.
+}
+
+int ShellAppWindowDelegate::PreferredIconSize() {
+  // Pick an arbitrary size.
+  return 32;
+}
+
+void ShellAppWindowDelegate::SetWebContentsBlocked(
+    content::WebContents* web_contents,
+    bool blocked) {}
+
+bool ShellAppWindowDelegate::IsWebContentsVisible(
+    content::WebContents* web_contents) {
+  aura::Window* native_window = web_contents->GetView()->GetNativeView();
+  return native_window->IsVisible();
+}
+
+}  // namespace apps