Remove dead extensions tracking code.

extensions/renderer/dispatcher.cc

 // 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.
 
 #include "extensions/renderer/dispatcher.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
@@ skipping 195 matching lines @@
 }  // namespace
 
 // Note that we can't use Blink public APIs in the constructor becase Blink
 // is not initialized at the point we create Dispatcher.
 Dispatcher::Dispatcher(DispatcherDelegate* delegate)
     : delegate_(delegate),
       content_watcher_(new ContentWatcher()),
       source_map_(&ResourceBundle::GetSharedInstance()),
       v8_schema_registry_(new V8SchemaRegistry),
       user_script_set_manager_observer_(this),
-      webrequest_used_(false),
       activity_logging_enabled_(false) {
   const base::CommandLine& command_line =
       *(base::CommandLine::ForCurrentProcess());
   set_idle_notifications_ =
       command_line.HasSwitch(switches::kExtensionProcess) ||
       command_line.HasSwitch(::switches::kSingleProcess);
 
   if (set_idle_notifications_) {
     RenderThread::Get()->SetIdleNotificationDelayInMs(
         kInitialExtensionIdleHandlerDelayMs);
@@ skipping 704 matching lines @@
                       OnSetWebViewPartitionID)
   IPC_MESSAGE_HANDLER(ExtensionMsg_ShouldSuspend, OnShouldSuspend)
   IPC_MESSAGE_HANDLER(ExtensionMsg_Suspend, OnSuspend)
   IPC_MESSAGE_HANDLER(ExtensionMsg_TransferBlobs, OnTransferBlobs)
   IPC_MESSAGE_HANDLER(ExtensionMsg_Unloaded, OnUnloaded)
   IPC_MESSAGE_HANDLER(ExtensionMsg_UpdatePermissions, OnUpdatePermissions)
   IPC_MESSAGE_HANDLER(ExtensionMsg_UpdateTabSpecificPermissions,
                       OnUpdateTabSpecificPermissions)
   IPC_MESSAGE_HANDLER(ExtensionMsg_ClearTabSpecificPermissions,
                       OnClearTabSpecificPermissions)
-  IPC_MESSAGE_HANDLER(ExtensionMsg_UsingWebRequestAPI, OnUsingWebRequestAPI)
   IPC_MESSAGE_HANDLER(ExtensionMsg_SetActivityLoggingEnabled,
                       OnSetActivityLoggingEnabled)
   IPC_MESSAGE_FORWARD(ExtensionMsg_WatchPages,
                       content_watcher_.get(),
                       ContentWatcher::OnWatchPages)
   IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   return handled;
 }
@@ skipping 297 matching lines @@
       if (update_origin_whitelist) {
         UpdateOriginPermissions(
             extension->url(),
             old_effective,
             extension->permissions_data()->GetEffectiveHostPermissions());
       }
     }
   }
 }
 
-void Dispatcher::OnUsingWebRequestAPI(bool webrequest_used) {
-  webrequest_used_ = webrequest_used;
-}
-
 void Dispatcher::OnSetActivityLoggingEnabled(bool enabled) {
   activity_logging_enabled_ = enabled;
   if (enabled) {
     for (const std::string& id : active_extension_ids_)
       DOMActivityLogger::AttachToWorld(DOMActivityLogger::kMainWorldId, id);
   }
   script_injection_manager_->set_activity_logging_enabled(enabled);
   user_script_set_manager_->set_activity_logging_enabled(enabled);
 }
 
@@ skipping 382 matching lines @@
   // The "guestViewDeny" module must always be loaded last. It registers
   // error-providing custom elements for the GuestView types that are not
   // available, and thus all of those types must have been checked and loaded
   // (or not loaded) beforehand.
   if (context_type == Feature::BLESSED_EXTENSION_CONTEXT) {
     module_system->Require("guestViewDeny");
   }
 }
 
 }  // namespace extensions