Allow manifest handlers to declare keys they depend on that must be parsed before them.

chrome/common/extensions/api/extension_action/browser_action_manifest_unittest.cc

 // Copyright (c) 2012 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/api/extension_action/action_info.h"
 #include "chrome/common/extensions/api/extension_action/browser_action_handler.h"
 #include "chrome/common/extensions/extension_builder.h"
 #include "chrome/common/extensions/extension_icon_set.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/extensions/manifest_handler.h"
 #include "chrome/common/extensions/manifest_tests/extension_manifest_test.h"
 #include "chrome/common/extensions/value_builder.h"
 #include "extensions/common/error_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace errors = extension_manifest_errors;
 
 namespace extensions {
 namespace {
 
 class BrowserActionManifestTest : public ExtensionManifestTest {
  protected:
   virtual void SetUp() OVERRIDE {
     ExtensionManifestTest::SetUp();
     ManifestHandler::Register(extension_manifest_keys::kBrowserAction,
-                              new BrowserActionHandler);
+                              make_linked_ptr(new BrowserActionHandler));
   }
 };
 
 TEST_F(BrowserActionManifestTest,
        BrowserActionManifestIcons_NoDefaultIcons) {
   scoped_refptr<const Extension> extension =
       ExtensionBuilder()
       .SetManifest(DictionaryBuilder()
                    .Set("name", "No default properties")
                    .Set("version", "1.0.0")
@@ skipping 76 matching lines @@
      .Build();
 
   string16 error = ErrorUtils::FormatErrorMessageUTF16(
       errors::kInvalidIconPath, "19");
   LoadAndExpectError(Manifest(manifest_value.get(), "Invalid default icon"),
                      errors::kInvalidIconPath);
 }
 
 }  // namespace
 }  // namespace extensions