Support clipboardRead and clipboardWrite permission for hosted apps.

chrome/browser/extensions/clipboard_app_apitest.cc

+// Copyright (c) 2011 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/browser/extensions/extension_apitest.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/test/ui_test_utils.h"
+#include "content/browser/tab_contents/tab_contents.h"
+#include "googleurl/src/gurl.h"
+#include "net/base/mock_host_resolver.h"
+
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, ClipboardApp) {
+  host_resolver()->AddRule("*", "127.0.0.1");
+  ASSERT_TRUE(StartTestServer());
+
+  ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("clipboard_app")));
+
+  GURL base_url = test_server()->GetURL(
+      "files/extensions/api_test/clipboard_app/");
+  GURL::Replacements replace_host;
+  std::string host_str("localhost");  // Must stay in scope with replace_host.
+  replace_host.SetHostStr(host_str);
+  base_url = base_url.ReplaceComponents(replace_host);
+
+  ui_test_utils::NavigateToURL(browser(), base_url.Resolve("main.html"));
+
+  const wchar_t kScript[] =
+      L"function runTest() {"
+      L"  document.body.addEventListener('copy', runTest2);"

[Erik does not do reviews, 2011/05/20 21:49:01]

This approach is a bit of a bummer since it depends on a timeout to function
properly.  Doesn't execCommand return false when it fails?

+      L"  document.execCommand('copy');"
+      L"}"
+      L"function runTest2() {"
+      L"  document.body.addEventListener('paste', runTest3);"
+      L"  document.execCommand('paste');"
+      L"}"
+      L"function runTest3() {"
+      L"  window.domAutomationController.send(true);"
+      L"}"
+      L"runTest();";
+
+  bool result = false;
+  ASSERT_TRUE(ui_test_utils::ExecuteJavaScriptAndExtractBool(
+      browser()->GetSelectedTabContents()->render_view_host(),
+      L"",
+      kScript,
+      &result));
+  EXPECT_TRUE(result);
+}