Add CefQuitMessageLoop function (issue #443).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@412 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/cef_context.cc

@@ -421,6 +421,23 @@ void CefRunMessageLoop()
   _Context->process()->RunMessageLoop();
 }
 
+void CefQuitMessageLoop()
+{
+  // Verify that the context is in a valid state.
+  if (!CONTEXT_STATE_VALID()) {
+    NOTREACHED() << "context not valid";
+    return;
+  }
+
+  // Must always be called on the same thread as Initialize.
+  if(!_Context->process()->CalledOnValidThread()) {
+    NOTREACHED() << "called on invalid thread";
+    return;
+  }
+
+  _Context->process()->QuitMessageLoop();
+}
+
 bool CefRegisterPlugin(const CefPluginInfo& plugin_info)
 {
   // Verify that the context is in a valid state.

libcef/cef_process.cc

@@ -97,6 +97,11 @@ void CefProcess::RunMessageLoop() {
   ui_message_loop_->RunMessageLoop();
 }
 
+void CefProcess::QuitMessageLoop() {
+  DCHECK(CalledOnValidThread() && ui_message_loop_.get() != NULL);
+  ui_message_loop_->Quit();
+}
+
 void CefProcess::CreateUIThread() {
   DCHECK(!created_ui_thread_ && ui_thread_.get() == NULL);
   created_ui_thread_ = true;

libcef/cef_process.h

@@ -60,9 +60,12 @@ class CefProcess : public base::NonThreadSafe {
   // RunMessageLoop() was called you do not need to call this method.
   void DoMessageLoopIteration();
 
-  // Run the UI message loop for the on the current thread.
+  // Run the UI message loop on the current thread.
   void RunMessageLoop();
 
+  // Quit the UI message loop on the current thread.
+  void QuitMessageLoop();
+
   // Returns the thread that we perform I/O coordination on (network requests,
   // communication with renderers, etc.
   // NOTE: You should ONLY use this to pass to IPC or other objects which must