Extensions: suspend extension's scripts when V8 is paused

extensions/renderer/script_injection_manager.h

Index: extensions/renderer/script_injection_manager.h
diff --git a/extensions/renderer/script_injection_manager.h b/extensions/renderer/script_injection_manager.h
index 8ec3d94ed142896f08fbe6f4f3d8c33f05f5e08b..73fb2a8458515088bbd2ab98109566b5704108e8 100644
--- a/extensions/renderer/script_injection_manager.h
+++ b/extensions/renderer/script_injection_manager.h
@@ -45,6 +45,10 @@ class ScriptInjectionManager : public UserScriptSetManager::Observer {
   // Notifies that a new render view has been created.
   void OnRenderViewCreated(content::RenderView* render_view);
 
+  // Notifies that an injection has been finished
+  void OnInjectionFinished(ScriptInjection* injection,
+                           scoped_refptr<ScriptsRunInfo> scripts_run_info);
+
  private:
   // A RenderViewObserver implementation which watches the various render views
   // in order to notify the ScriptInjectionManager of different document load
@@ -98,13 +102,6 @@ class ScriptInjectionManager : public UserScriptSetManager::Observer {
   // The collection of RVOHelpers.
   ScopedVector<RVOHelper> rvo_helpers_;
 
-  // True when the manager is actively injecting scripts into a web frame.
-  bool injecting_scripts_;
-
-  // The set of extensions that have been updated (and thus any injections have
-  // been invalidated) while the manager was |injecting_scripts_|.
-  std::set<std::string> invalidated_while_injecting_;
-
   // The set of UserScripts associated with extensions. Owned by the Dispatcher.
   UserScriptSetManager* user_script_set_manager_;
 
@@ -112,6 +109,9 @@ class ScriptInjectionManager : public UserScriptSetManager::Observer {
   // user consent.
   ScopedVector<ScriptInjection> pending_injections_;
 
+  // Running injections which are waiting for async callbacks from blink
+  ScopedVector<ScriptInjection> running_injections_;
+
   ScopedObserver<UserScriptSetManager, UserScriptSetManager::Observer>
       user_script_set_manager_observer_;