Remove all the ephemeral apps code.

extensions/browser/extension_registry.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 "extensions/browser/extension_registry.h"
 
 #include "base/strings/string_util.h"
 #include "extensions/browser/extension_registry_factory.h"
 #include "extensions/browser/extension_registry_observer.h"
 
@@ skipping 57 matching lines @@
     UnloadedExtensionInfo::Reason reason) {
   CHECK(extension);
   DCHECK(!enabled_extensions_.Contains(extension->id()));
   FOR_EACH_OBSERVER(ExtensionRegistryObserver,
                     observers_,
                     OnExtensionUnloaded(browser_context_, extension, reason));
 }
 
 void ExtensionRegistry::TriggerOnWillBeInstalled(const Extension* extension,
                                                  bool is_update,
-                                                 bool from_ephemeral,
                                                  const std::string& old_name) {
   CHECK(extension);
   DCHECK_EQ(is_update,
             GenerateInstalledExtensionsSet()->Contains(extension->id()));
   DCHECK_EQ(is_update, !old_name.empty());
-  FOR_EACH_OBSERVER(
-      ExtensionRegistryObserver,
-      observers_,
-      OnExtensionWillBeInstalled(
-          browser_context_, extension, is_update, from_ephemeral, old_name));
+  FOR_EACH_OBSERVER(ExtensionRegistryObserver, observers_,
+                    OnExtensionWillBeInstalled(browser_context_, extension,
+                                               is_update, old_name));
 }
 
 void ExtensionRegistry::TriggerOnInstalled(const Extension* extension,
                                            bool is_update) {
   CHECK(extension);
   DCHECK(GenerateInstalledExtensionsSet()->Contains(extension->id()));
   FOR_EACH_OBSERVER(ExtensionRegistryObserver,
                     observers_,
                     OnExtensionInstalled(
                         browser_context_, extension, is_update));
@@ skipping 112 matching lines @@
   ready_extensions_.Clear();
 }
 
 void ExtensionRegistry::Shutdown() {
   // Release references to all Extension objects in the sets.
   ClearAll();
   FOR_EACH_OBSERVER(ExtensionRegistryObserver, observers_, OnShutdown(this));
 }
 
 }  // namespace extensions