Change the platform app manifest structure.

chrome/common/extensions/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/manifest.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 
@@ skipping 116 matching lines @@
   // By default, the type is Extension.
   AssertType(manifest.get(), Extension::TYPE_EXTENSION);
 
   // Theme.
   MutateManifest(
       &manifest, keys::kTheme, new DictionaryValue());
   AssertType(manifest.get(), Extension::TYPE_THEME);
   MutateManifest(
       &manifest, keys::kTheme, NULL);
 
-  // Platform app.
-  MutateManifest(
-      &manifest, keys::kPlatformApp, new DictionaryValue());
-  AssertType(manifest.get(), Extension::TYPE_EXTENSION);  // must be boolean
-  MutateManifest(
-      &manifest, keys::kPlatformApp, Value::CreateBooleanValue(false));
-  AssertType(manifest.get(), Extension::TYPE_EXTENSION);  // must be true
-  MutateManifest(
-      &manifest, keys::kPlatformApp, Value::CreateBooleanValue(true));
-  AssertType(manifest.get(), Extension::TYPE_PLATFORM_APP);
-  MutateManifest(
-      &manifest, keys::kPlatformApp, NULL);
-
   // Packaged app.
   MutateManifest(
       &manifest, keys::kApp, new DictionaryValue());
   AssertType(manifest.get(), Extension::TYPE_PACKAGED_APP);
 
+  // Platform app.
+  MutateManifest(
+      &manifest, keys::kPlatformAppBackground, new DictionaryValue());
+  AssertType(manifest.get(), Extension::TYPE_PLATFORM_APP);
+  MutateManifest(
+      &manifest, keys::kPlatformAppBackground, NULL);
+
   // Hosted app.
   MutateManifest(
       &manifest, keys::kWebURLs, new ListValue());
   AssertType(manifest.get(), Extension::TYPE_HOSTED_APP);
   MutateManifest(
       &manifest, keys::kWebURLs, NULL);
   MutateManifest(
       &manifest, keys::kLaunchWebURL, Value::CreateStringValue("foo"));
   AssertType(manifest.get(), Extension::TYPE_HOSTED_APP);
   MutateManifest(
@@ skipping 16 matching lines @@
 
   // Platform apps cannot have a "page_action" key.
   MutateManifest(
       &manifest, keys::kPageAction, new DictionaryValue());
   AssertType(manifest.get(), Extension::TYPE_EXTENSION);
   base::Value* output = NULL;
   EXPECT_TRUE(manifest->HasKey(keys::kPageAction));
   EXPECT_TRUE(manifest->Get(keys::kPageAction, &output));
 
   MutateManifest(
-      &manifest, keys::kPlatformApp, Value::CreateBooleanValue(true));
+      &manifest, keys::kPlatformAppBackground, new DictionaryValue());
   AssertType(manifest.get(), Extension::TYPE_PLATFORM_APP);
   EXPECT_FALSE(manifest->HasKey(keys::kPageAction));
   EXPECT_FALSE(manifest->Get(keys::kPageAction, &output));
   MutateManifest(
-      &manifest, keys::kPlatformApp, NULL);
+      &manifest, keys::kPlatformAppBackground, NULL);
 
   // "commands" is restricted to manifest_version >= 2.
   MutateManifest(
       &manifest, keys::kCommands, new DictionaryValue());
   EXPECT_FALSE(manifest->HasKey(keys::kCommands));
   EXPECT_FALSE(manifest->Get(keys::kCommands, &output));
 
   MutateManifest(
       &manifest, keys::kManifestVersion, Value::CreateIntegerValue(2));
   EXPECT_TRUE(manifest->HasKey(keys::kCommands));
   EXPECT_TRUE(manifest->Get(keys::kCommands, &output));
 };
 
 }  // namespace extensions