Add a new webstorePrivate API to show a permission prompt for delegated installs

chrome/browser/extensions/api/webstore_private/webstore_private_api.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_WEBSTORE_PRIVATE_WEBSTORE_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_WEBSTORE_PRIVATE_WEBSTORE_PRIVATE_API_H_
 
 #include <string>
 
 #include "chrome/browser/extensions/active_install_data.h"
@@ skipping 102 matching lines @@
       WebstoreInstaller::FailureReason reason) override;
 
   void OnInstallSuccess(const std::string& id);
 
   ChromeExtensionFunctionDetails chrome_details_;
 
   scoped_ptr<WebstoreInstaller::Approval> approval_;
   scoped_ptr<ScopedActiveInstall> scoped_active_install_;
 };
 
+class WebstorePrivateShowPermissionPromptForDelegatedInstallFunction
+    : public UIThreadExtensionFunction,
+      public ExtensionInstallPrompt::Delegate,
+      public WebstoreInstallHelper::Delegate {
+ public:
+  DECLARE_EXTENSION_FUNCTION(
+      "webstorePrivate.showPermissionPromptForDelegatedInstall",
+      WEBSTOREPRIVATE_SHOWPERMISSIONPROMPTFORDELEGATEDINSTALL)
+
+  WebstorePrivateShowPermissionPromptForDelegatedInstallFunction();
+
+ private:
+  ~WebstorePrivateShowPermissionPromptForDelegatedInstallFunction() override;
+
+  // ExtensionFunction:
+  ExtensionFunction::ResponseAction Run() override;
+
+  // WebstoreInstallHelper::Delegate:
+  void OnWebstoreParseSuccess(const std::string& id,
+                              const SkBitmap& icon,
+                              base::DictionaryValue* parsed_manifest) override;
+  void OnWebstoreParseFailure(const std::string& id,
+                              InstallHelperResultCode result,
+                              const std::string& error_message) override;
+
+  // ExtensionInstallPrompt::Delegate:
+  void InstallUIProceed() override;
+  void InstallUIAbort(bool user_initiated) override;
+
+  ExtensionFunction::ResponseValue BuildResponse(
+      api::webstore_private::Result result,
+      const std::string& error);
+
+  // This stores the input parameters to the function.
+  scoped_ptr<api::webstore_private::ShowPermissionPromptForDelegatedInstall::
+      Params> params_;
+
+  // The results of parsing manifest_ and icon_data_ go into these two.
+  scoped_ptr<base::DictionaryValue> parsed_manifest_;
+  SkBitmap icon_;
+
+  // A dummy Extension object we create for the purposes of using
+  // ExtensionInstallPrompt to prompt for confirmation of the install.
+  scoped_refptr<Extension> dummy_extension_;
+
+  // The class that displays the install prompt.
+  scoped_ptr<ExtensionInstallPrompt> install_prompt_;
+};
+
 class WebstorePrivateEnableAppLauncherFunction
     : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("webstorePrivate.enableAppLauncher",
                              WEBSTOREPRIVATE_ENABLEAPPLAUNCHER)
 
   WebstorePrivateEnableAppLauncherFunction();
 
  private:
   ~WebstorePrivateEnableAppLauncherFunction() override;
@@ skipping 143 matching lines @@
  private:
   ~WebstorePrivateGetEphemeralAppsEnabledFunction() override;
 
   // ExtensionFunction:
   ExtensionFunction::ResponseAction Run() override;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_WEBSTORE_PRIVATE_WEBSTORE_PRIVATE_API_H_