Remove all the ephemeral apps code.

extensions/browser/api/runtime/runtime_api.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_API_RUNTIME_RUNTIME_API_H_
 #define EXTENSIONS_BROWSER_API_RUNTIME_RUNTIME_API_H_
 
 #include <string>
 
 #include "base/scoped_observer.h"
@@ skipping 57 matching lines @@
 
  private:
   friend class BrowserContextKeyedAPIFactory<RuntimeAPI>;
 
   // ExtensionRegistryObserver implementation.
   void OnExtensionLoaded(content::BrowserContext* browser_context,
                          const Extension* extension) override;
   void OnExtensionWillBeInstalled(content::BrowserContext* browser_context,
                                   const Extension* extension,
                                   bool is_update,
-                                  bool from_ephemeral,
                                   const std::string& old_name) override;
   void OnExtensionUninstalled(content::BrowserContext* browser_context,
                               const Extension* extension,
                               UninstallReason reason) override;
 
   // BrowserContextKeyedAPI implementation:
   static const char* service_name() { return "RuntimeAPI"; }
   static const bool kServiceRedirectedInIncognito = true;
   static const bool kServiceIsNULLWhileTesting = true;
   void Shutdown() override;
@@ skipping 140 matching lines @@
                              RUNTIME_GETPACKAGEDIRECTORYENTRY)
 
  protected:
   ~RuntimeGetPackageDirectoryEntryFunction() override {}
   ResponseAction Run() override;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_RUNTIME_RUNTIME_API_H_