Declarative content scripts: Renderer-side: per-extension shared memory regions (lazily loaded)

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 "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/debug/alias.h"
@@ skipping 162 matching lines @@
 };
 
 }  // namespace
 
 Dispatcher::Dispatcher(DispatcherDelegate* delegate)
     : delegate_(delegate),
       content_watcher_(new ContentWatcher()),
       source_map_(&ResourceBundle::GetSharedInstance()),
       v8_schema_registry_(new V8SchemaRegistry),
       is_webkit_initialized_(false),
-      user_script_set_observer_(this) {
+      user_script_set_manager_observer_(this) {
   const CommandLine& command_line = *(CommandLine::ForCurrentProcess());
   is_extension_process_ =
       command_line.HasSwitch(extensions::switches::kExtensionProcess) ||
       command_line.HasSwitch(::switches::kSingleProcess);
 
   if (is_extension_process_) {
     RenderThread::Get()->SetIdleNotificationDelayInMs(
         kInitialExtensionIdleHandlerDelayMs);
   }
 
   RenderThread::Get()->RegisterExtension(SafeBuiltins::CreateV8Extension());
 
-  user_script_set_.reset(new UserScriptSet(&extensions_));
+  user_script_set_manager_.reset(new UserScriptSetManager(&extensions_));
   script_injection_manager_.reset(
-      new ScriptInjectionManager(&extensions_, user_script_set_.get()));
-  user_script_set_observer_.Add(user_script_set_.get());
+      new ScriptInjectionManager(&extensions_, user_script_set_manager_.get()));
+  user_script_set_manager_observer_.Add(user_script_set_manager_.get());
   request_sender_.reset(new RequestSender(this));
   PopulateSourceMap();
 }
 
 Dispatcher::~Dispatcher() {
 }
 
 void Dispatcher::OnRenderViewCreated(content::RenderView* render_view) {
   script_injection_manager_->OnRenderViewCreated(render_view);
 }
@@ skipping 550 matching lines @@
 }
 
 void Dispatcher::OnUserScriptsUpdated(
       const std::set<std::string>& changed_extensions,
       const std::vector<UserScript*>& scripts) {
   UpdateActiveExtensions();
 }
 
 void Dispatcher::UpdateActiveExtensions() {
   std::set<std::string> active_extensions = active_extension_ids_;
-  user_script_set_->GetActiveExtensionIds(&active_extensions);
+  user_script_set_manager_->GetAllActiveExtensionIds(&active_extensions);
   delegate_->OnActiveExtensionsUpdated(active_extensions);
 }
 
 void Dispatcher::UpdateOriginPermissions(const Extension* extension) {
   const URLPatternSet& hosts =
       extension->permissions_data()->GetEffectiveHostPermissions();
   WebSecurityPolicy::resetOriginAccessWhitelists();
   delegate_->InitOriginPermissions(extension,
                                    IsExtensionActive(extension->id()));
   for (URLPatternSet::const_iterator iter = hosts.begin(); iter != hosts.end();
@@ skipping 416 matching lines @@
     return v8::Handle<v8::Object>();
 
   if (bind_name)
     *bind_name = split.back();
 
   return bind_object.IsEmpty() ? AsObjectOrEmpty(GetOrCreateChrome(context))
                                : bind_object;
 }
 
 }  // namespace extensions