Add chrome.webstore API methods to allow sites to see progress of installation

chrome/browser/extensions/webstore_inline_installer_browsertest.cc

 // Copyright 2013 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 "base/command_line.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/extensions/webstore_inline_installer.h"
 #include "chrome/browser/extensions/webstore_inline_installer_factory.h"
@@ skipping 149 matching lines @@
   ASSERT_FALSE(extension_service->IsExtensionEnabled(kTestExtensionId));
 
   // Revisit the inline install site and reinstall the extension. It should
   // simply be re-enabled, rather than try to install again.
   ui_test_utils::NavigateToURL(
       browser(), GenerateTestServerUrl(kAppDomain, "install.html"));
   RunTest("runTest");
   ASSERT_TRUE(extension_service->IsExtensionEnabled(kTestExtensionId));
 }
 
+class WebstoreInlineInstallerListenerTest : public WebstoreInlineInstallerTest {
+ public:
+  WebstoreInlineInstallerListenerTest() {}
+  virtual ~WebstoreInlineInstallerListenerTest() {}
+
+ protected:
+  void RunTest(const std::string& file_name) {
+    CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+        switches::kAppsGalleryInstallAutoConfirmForTests, "accept");
+    ui_test_utils::NavigateToURL(browser(),
+                                 GenerateTestServerUrl(kAppDomain, file_name));
+    WebstoreInstallerTest::RunTest("runTest");
+  }
+};
+
+IN_PROC_BROWSER_TEST_F(WebstoreInlineInstallerListenerTest,
+                       InstallStageListenerTest) {
+  RunTest("install_stage_listener.html");
+}
+
+IN_PROC_BROWSER_TEST_F(WebstoreInlineInstallerListenerTest,
+                       DownloadProgressListenerTest) {
+  RunTest("download_progress_listener.html");
+}
+
+IN_PROC_BROWSER_TEST_F(WebstoreInlineInstallerListenerTest, BothListenersTest) {
+  RunTest("both_listeners.html");
+}
+
 }  // namespace extensions