[Chromecast] Add input support.

chromecast/browser/cast_browser_main_parts.cc

Index: chromecast/browser/cast_browser_main_parts.cc
diff --git a/chromecast/browser/cast_browser_main_parts.cc b/chromecast/browser/cast_browser_main_parts.cc
index 22df7643d29d8ef8f303780d6314dfff2fe0b782..b90d314097bcaa8a39112ecf25fc6f4b37213644 100644
--- a/chromecast/browser/cast_browser_main_parts.cc
+++ b/chromecast/browser/cast_browser_main_parts.cc
@@ -32,6 +32,7 @@
 #include "chromecast/browser/cast_content_browser_client.h"
 #include "chromecast/browser/cast_memory_pressure_monitor.h"
 #include "chromecast/browser/cast_net_log.h"
+#include "chromecast/browser/cast_window_manager.h"
 #include "chromecast/browser/devtools/remote_debugging_server.h"
 #include "chromecast/browser/geolocation/cast_access_token_store.h"
 #include "chromecast/browser/media/media_caps_impl.h"
@@ -82,6 +83,7 @@
 // gn check ignored on OverlayManagerCast as it's not a public ozone
 // header, but is exported to allow injecting the overlay-composited
 // callback.
+#include "chromecast/browser/cast_window_manager_aura.h"
 #include "chromecast/graphics/cast_screen.h"
 #include "ui/display/screen.h"
 #include "ui/ozone/platform/cast/overlay_manager_cast.h"  // nogncheck
@@ -453,6 +455,12 @@ void CastBrowserMainParts::PreMainMessageLoopRun() {
           cast_browser_process_->browser_client()
               ->EnableRemoteDebuggingImmediately()));
 
+#if defined(USE_AURA)
+  cast_window_manager_.reset(new CastWindowManagerAura());

[derekjchow1, 2016/10/24 22:43:08]

Any reason this can't be added in the contructor of CastBrowserMainParts?

+#else
+  cast_window_manager_.reset(new CastWindowManager());
+#endif
+
 #if defined(USE_AURA) && !BUILDFLAG(IS_CAST_AUDIO_ONLY)
   // TODO(halliwell) move audio builds to use ozone_platform_cast, then can
   // simplify this by removing IS_CAST_AUDIO_ONLY condition.  Should then also
@@ -471,7 +479,8 @@ void CastBrowserMainParts::PreMainMessageLoopRun() {
           cast_browser_process_->browser_context(),
           cast_browser_process_->pref_service(),
           url_request_context_factory_->GetSystemGetter(),
-          video_plane_controller_.get()));
+          video_plane_controller_.get(),
+          cast_window_manager_.get()));
   cast_browser_process_->cast_service()->Initialize();
 
 #if !defined(OS_ANDROID)