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

chrome/browser/extensions/extension_service_unittest.cc

 // Copyright (c) 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 "chrome/browser/extensions/extension_service_unittest.h"
 
 #include <algorithm>
 #include <set>
 #include <vector>
 
@@ skipping 1682 matching lines @@
   // TODO(erikkay): add tests for upgrade cases.
 }
 
 struct MockInstallObserver : public extensions::InstallObserver {
   MockInstallObserver() {
   }
 
   virtual ~MockInstallObserver() {
   }
 
-  virtual void OnBeginExtensionInstall(
-      const ExtensionInstallParams& params) OVERRIDE {
-  }
-
-  virtual void OnDownloadProgress(const std::string& extension_id,
-                                  int percent_downloaded) OVERRIDE {
-  }
-
   virtual void OnExtensionInstalled(const Extension* extension) OVERRIDE {
     last_extension_installed = extension->id();
   }
 
-  virtual void OnInstallFailure(const std::string& extension_id) OVERRIDE {
-  }
-
-  virtual void OnExtensionLoaded(const Extension* extension) OVERRIDE {
-  }
-
-  virtual void OnExtensionUnloaded(const Extension* extension) OVERRIDE {
-  }
-
   virtual void OnExtensionUninstalled(const Extension* extension) OVERRIDE {
     last_extension_uninstalled = extension->id();
   }
 
-  virtual void OnAppsReordered() OVERRIDE {
-  }
-
-  virtual void OnAppInstalledToAppList(
-      const std::string& extension_id) OVERRIDE {
-  }
-
-  virtual void OnShutdown() OVERRIDE {
-  }
-
   std::string last_extension_installed;
   std::string last_extension_uninstalled;
 };
 
 // Test that correct notifications are sent to InstallTracker observers on
 // extension install and uninstall.
 TEST_F(ExtensionServiceTest, InstallObserverNotified) {
   InitializeEmptyExtensionService();
 
   extensions::InstallTracker* tracker(
@@ skipping 5227 matching lines @@
   // ReconcileKnownDisabled().
   service_->EnableExtension(good2);
   service_->ReconcileKnownDisabled();
   expected_extensions.insert(good2);
   expected_disabled_extensions.erase(good2);
 
   EXPECT_EQ(expected_extensions, registry_->enabled_extensions().GetIDs());
   EXPECT_EQ(expected_disabled_extensions,
             registry_->disabled_extensions().GetIDs());
 }