Make sure BrowserContext is destroyed on exit

atom/browser/api/atom_api_session.cc

@@ -233,16 +233,16 @@ void SetProxyInIO(net::URLRequestContextGetter* getter,
 Session::Session(AtomBrowserContext* browser_context)
     : browser_context_(browser_context) {
   AttachAsUserData(browser_context);
+
   // Observe DownloadManger to get download notifications.
-  auto download_manager =
-      content::BrowserContext::GetDownloadManager(browser_context);
-  download_manager->AddObserver(this);
+  content::BrowserContext::GetDownloadManager(browser_context)->
+      AddObserver(this);
 }
 
 Session::~Session() {
-  auto download_manager =
-      content::BrowserContext::GetDownloadManager(browser_context());
-  download_manager->RemoveObserver(this);
+  content::BrowserContext::GetDownloadManager(browser_context())->
+      RemoveObserver(this);
+  Destroy();
 }
 
 void Session::OnDownloadCreated(content::DownloadManager* manager,
@@ -257,6 +257,14 @@ void Session::OnDownloadCreated(content::DownloadManager* manager,
   }
 }
 
+bool Session::IsDestroyed() const {
+  return !browser_context_;
+}
+
+void Session::Destroy() {
+  browser_context_ = nullptr;
+}
+
 void Session::ResolveProxy(const GURL& url, ResolveProxyCallback callback) {
   new ResolveProxyHelper(browser_context(), url, callback);
 }

atom/browser/api/atom_api_session.h

@@ -51,11 +51,15 @@ class Session: public mate::TrackableObject<Session>,
   void OnDownloadCreated(content::DownloadManager* manager,
                          content::DownloadItem* item) override;
 
-  // mate::Wrappable implementations:
+  // mate::Wrappable:
   mate::ObjectTemplateBuilder GetObjectTemplateBuilder(
       v8::Isolate* isolate) override;
+  bool IsDestroyed() const override;
 
  private:
+  // mate::TrackableObject:
+  void Destroy() override;
+
   void ResolveProxy(const GURL& url, ResolveProxyCallback callback);
   void ClearCache(const net::CompletionCallback& callback);
   void ClearStorageData(mate::Arguments* args);
@@ -63,6 +67,7 @@ class Session: public mate::TrackableObject<Session>,
   void SetDownloadPath(const base::FilePath& path);
   v8::Local<v8::Value> Cookies(v8::Isolate* isolate);
 
+  // Cached object for cookies API.
   v8::Global<v8::Value> cookies_;
 
   scoped_refptr<AtomBrowserContext> browser_context_;

atom/browser/api/atom_api_web_contents.h

@@ -48,7 +48,9 @@ class WebContents : public mate::TrackableObject<WebContents>,
   static mate::Handle<WebContents> Create(
       v8::Isolate* isolate, const mate::Dictionary& options);
 
-  void Destroy();
+  // mate::TrackableObject:
+  void Destroy() override;
+
   bool IsAlive() const;
   int GetID() const;
   bool Equal(const WebContents* web_contents) const;

atom/browser/api/atom_api_window.cc

@@ -221,7 +221,10 @@ bool Window::IsDestroyed() const {
 }
 
 void Window::Destroy() {
+  if (window_) {
     window_->CloseContents(nullptr);
+    window_.reset();
+  }
 }
 
 void Window::Close() {

atom/browser/api/atom_api_window.h

@@ -78,8 +78,10 @@ class Window : public mate::TrackableObject<Window>,
   bool IsDestroyed() const override;
 
  private:
+  // mate::TrackableObject:
+  void Destroy() override;
+
   // APIs for NativeWindow.
-  void Destroy();
   void Close();
   bool IsClosed();
   void Focus();

atom/browser/api/trackable_object.cc

@@ -29,7 +29,9 @@ class IDUserData : public base::SupportsUserData::Data {
 }  // namespace
 
 TrackableObjectBase::TrackableObjectBase()
-    : weak_map_id_(0), wrapped_(nullptr) {
+    : weak_map_id_(0), wrapped_(nullptr), weak_factory_(this) {
+  RegisterDestructionCallback(
+      base::Bind(&TrackableObjectBase::Destroy, weak_factory_.GetWeakPtr()));
 }
 
 TrackableObjectBase::~TrackableObjectBase() {
@@ -61,8 +63,9 @@ int32_t TrackableObjectBase::GetIDFromWrappedClass(base::SupportsUserData* w) {
 }
 
 // static
-void TrackableObjectBase::RegisterDestructionCallback(void (*c)()) {
-  atom::AtomBrowserMainParts::Get()->RegisterDestructionCallback(base::Bind(c));
+void TrackableObjectBase::RegisterDestructionCallback(
+    const base::Closure& closure) {
+  atom::AtomBrowserMainParts::Get()->RegisterDestructionCallback(closure);
 }
 
 }  // namespace mate

atom/browser/api/trackable_object.h

@@ -9,7 +9,9 @@
 
 #include "atom/browser/api/event_emitter.h"
 #include "atom/common/id_weak_map.h"
+#include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
 
 namespace base {
 class SupportsUserData;
@@ -28,6 +30,9 @@ class TrackableObjectBase : public mate::EventEmitter {
   // Wrap TrackableObject into a class that SupportsUserData.
   void AttachAsUserData(base::SupportsUserData* wrapped);
 
+  // Subclasses should implement this to destroy their native types.
+  virtual void Destroy() = 0;
+
  protected:
   ~TrackableObjectBase() override;
 
@@ -39,12 +44,14 @@ class TrackableObjectBase : public mate::EventEmitter {
 
   // Register a callback that should be destroyed before JavaScript environment
   // gets destroyed.
-  static void RegisterDestructionCallback(void (*callback)());
+  static void RegisterDestructionCallback(const base::Closure& closure);
 
   int32_t weak_map_id_;
   base::SupportsUserData* wrapped_;
 
  private:
+  base::WeakPtrFactory<TrackableObjectBase> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(TrackableObjectBase);
 };
 
@@ -85,7 +92,8 @@ class TrackableObject : public TrackableObjectBase {
   }
 
   TrackableObject() {
-    RegisterDestructionCallback(&TrackableObject<T>::ReleaseAllWeakReferences);
+    RegisterDestructionCallback(
+        base::Bind(&TrackableObject<T>::ReleaseAllWeakReferences));
   }
 
   // Removes this instance from the weak map.

vendor/brightray

@@ -1 +1 @@
-Subproject commit 251521cb8c51670dbd08ab9fd2dd45e249cbb596
+Subproject commit 8d64120b51b48be46eaa419957b965c0ccfc6c8f