exo: Initial support for multiple displays in ARC

components/exo/display.cc

Index: components/exo/display.cc
diff --git a/components/exo/display.cc b/components/exo/display.cc
index ae02686711bbac57ce57b96f47bfaa8ae105a684..1fbab0ffcb9b7bfeebb41f8e350028b88582ca71 100644
--- a/components/exo/display.cc
+++ b/components/exo/display.cc
@@ -179,7 +179,6 @@ std::unique_ptr<ShellSurface> Display::CreatePopupShellSurface(
 
 std::unique_ptr<ShellSurface> Display::CreateRemoteShellSurface(
     Surface* surface,
-    const gfx::Point& origin,
     int container) {
   TRACE_EVENT2("exo", "Display::CreateRemoteShellSurface", "surface",
                surface->AsTracedValue(), "container", container);
@@ -193,7 +192,7 @@ std::unique_ptr<ShellSurface> Display::CreateRemoteShellSurface(
   bool can_minimize = container != ash::kShellWindowId_SystemModalContainer;
 
   return base::MakeUnique<ShellSurface>(
-      surface, nullptr, ShellSurface::BoundsMode::CLIENT, origin,
+      surface, nullptr, ShellSurface::BoundsMode::CLIENT, gfx::Point(),
       true /* activatable */, can_minimize, container);
 }