Add IPCs to check web copy/cut/paste for extensions with the appropriate permission bit.

chrome/common/extensions/extension_unittest.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/common/extensions/extension.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 996 matching lines @@
   // a prompt.
   skip.insert(Extension::kContextMenusPermission);
   skip.insert(Extension::kIdlePermission);
   skip.insert(Extension::kNotificationPermission);
   skip.insert(Extension::kUnlimitedStoragePermission);
   skip.insert(Extension::kContentSettingsPermission);
 
   // TODO(erikkay) add a string for this permission.
   skip.insert(Extension::kBackgroundPermission);
 
+  // TODO(dcheng): add a string for clipboardRead
+  skip.insert(Extension::kClipboardReadPermission);
+  skip.insert(Extension::kClipboardWritePermission);
+
   // The cookie permission does nothing unless you have associated host
   // permissions.
   skip.insert(Extension::kCookiePermission);
 
   // The proxy permission is warned as part of host permission checks.
   skip.insert(Extension::kProxyPermission);
 
   // This permission requires explicit user action (context menu handler)
   // so we won't prompt for it for now.
   skip.insert(Extension::kFileBrowserHandlerPermission);
@@ skipping 526 matching lines @@
   EXPECT_TRUE(Extension::GenerateId("test", &result));
   EXPECT_EQ(result, "jpignaibiiemhngfjkcpokkamffknabf");
 
   EXPECT_TRUE(Extension::GenerateId("_", &result));
   EXPECT_EQ(result, "ncocknphbhhlhkikpnnlmbcnbgdempcd");
 
   EXPECT_TRUE(Extension::GenerateId(
       "this_string_is_longer_than_a_single_sha256_hash_digest", &result));
   EXPECT_EQ(result, "jimneklojkjdibfkgiiophfhjhbdgcfi");
 }