Pass task_runner_ to server and send 404 when incorrect url

ash/common/wm_shell.cc

Index: ash/common/wm_shell.cc
diff --git a/ash/common/wm_shell.cc b/ash/common/wm_shell.cc
index a088cdee81850c796bcd49f3609c2aba6a97defc..27fb0a998c20b0f8ca745ab8feefc539880d1ffe 100644
--- a/ash/common/wm_shell.cc
+++ b/ash/common/wm_shell.cc
@@ -90,7 +90,8 @@ void WmShell::Initialize(const scoped_refptr<base::SequencedWorkerPool>& pool) {
   wallpaper_controller_.reset(new WallpaperController(blocking_pool_));
 
   // Start devtools server
-  devtools_server_ = ui::devtools::UiDevToolsServer::Create();
+  devtools_server_ = ui::devtools::UiDevToolsServer::Create(
+      base::ThreadTaskRunnerHandle::Get());

[sadrul, 2016/10/28 02:32:27]

Are sure the current thread (i.e. the UI thread) is the right thread to run the
server on?

[Sarmad Hashmi, 2016/10/28 17:02:46]

Changed.

   if (devtools_server_) {
     std::unique_ptr<ui::devtools::protocol::DOM::Backend> backend(
         new devtools::AshDevToolsDOMAgent(this));