AppBackgroundPageApiTest works with testserver on ephemeral ports.

BUG=56814,53632
TEST=browser_tests --gtest_filter="*AppBackgroundPageApiTest*"

Review URL: http://codereview.chromium.org/4074001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@63642 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/extensions/app_background_page_apitest.cc b/chrome/browser/extensions/app_background_page_apitest.cc
index d1e78d1..80d22184 100644
--- a/chrome/browser/extensions/app_background_page_apitest.cc
+++ b/chrome/browser/extensions/app_background_page_apitest.cc
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/string_util.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/common/chrome_switches.h"
@@ -14,14 +15,53 @@
     ExtensionApiTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kDisablePopupBlocking);
   }
+
+  bool CreateApp(const std::string& app_manifest,
+                 FilePath* app_dir) {
+    if (!app_dir_.CreateUniqueTempDir()) {
+      LOG(ERROR) << "Unable to create a temporary directory.";
+      return false;
+    }
+    FilePath manifest_path = app_dir_.path().AppendASCII("manifest.json");
+    int bytes_written = file_util::WriteFile(manifest_path,
+                                             app_manifest.data(),
+                                             app_manifest.size());
+    if (bytes_written != static_cast<int>(app_manifest.size())) {
+      LOG(ERROR) << "Unable to write complete manifest to file. Return code="
+                 << bytes_written;
+      return false;
+    }
+    *app_dir = app_dir_.path();
+    return true;
+  }
+
+ private:
+  ScopedTempDir app_dir_;
 };
 
 IN_PROC_BROWSER_TEST_F(AppBackgroundPageApiTest, Basic) {
   host_resolver()->AddRule("a.com", "127.0.0.1");
   ASSERT_TRUE(StartTestServer());
 
-  LoadExtension(test_data_dir_.AppendASCII(
-      "app_background_page/app_has_permission"));
+  std::string app_manifest = StringPrintf(
+      "{"
+      "  \"name\": \"App\","
+      "  \"version\": \"0.1\","
+      "  \"app\": {"
+      "    \"urls\": ["
+      "      \"http://a.com/\""
+      "    ],"
+      "    \"launch\": {"
+      "      \"web_url\": \"http://a.com:%d/\""
+      "    }"
+      "  },"
+      "  \"permissions\": [\"background\"]"
+      "}",
+      test_server()->host_port_pair().port());
+
+  FilePath app_dir;
+  ASSERT_TRUE(CreateApp(app_manifest, &app_dir));
+  ASSERT_TRUE(LoadExtension(app_dir));
   ASSERT_TRUE(RunExtensionTest("app_background_page/basic")) << message_;
 }
 
@@ -29,8 +69,24 @@
   host_resolver()->AddRule("a.com", "127.0.0.1");
   ASSERT_TRUE(StartTestServer());
 
-  LoadExtension(test_data_dir_.AppendASCII(
-      "app_background_page/app_lacks_permission"));
+  std::string app_manifest = StringPrintf(
+      "{"
+      "  \"name\": \"App\","
+      "  \"version\": \"0.1\","
+      "  \"app\": {"
+      "    \"urls\": ["
+      "      \"http://a.com/\""
+      "    ],"
+      "    \"launch\": {"
+      "      \"web_url\": \"http://a.com:%d/\""
+      "    }"
+      "  }"
+      "}",
+      test_server()->host_port_pair().port());
+
+  FilePath app_dir;
+  ASSERT_TRUE(CreateApp(app_manifest, &app_dir));
+  ASSERT_TRUE(LoadExtension(app_dir));
   ASSERT_TRUE(RunExtensionTest("app_background_page/lacks_permission"))
       << message_;
 }