Add ImeMenuTray element.

ash/shelf/shelf.cc

Index: ash/shelf/shelf.cc
diff --git a/ash/shelf/shelf.cc b/ash/shelf/shelf.cc
index cbc1e15c4b9f37fb03aeeacba823d785f5afedbb..641f2949ac04cbc9b1ba07a294a8d19b53270cea 100644
--- a/ash/shelf/shelf.cc
+++ b/ash/shelf/shelf.cc
@@ -38,6 +38,10 @@
 #include "ui/views/widget/widget_delegate.h"
 #include "ui/wm/public/activation_client.h"
 
+#if defined(OS_CHROMEOS)
+#include "ash/system/chromeos/ime_menu/ime_menu_tray.h"
+#endif  // defined(OS_CHROMEOS)
+
 namespace ash {
 
 const char Shelf::kNativeViewName[] = "ShelfView";
@@ -129,12 +133,28 @@ ShelfVisibilityState Shelf::GetVisibilityState() const {
 gfx::Rect Shelf::GetScreenBoundsOfItemIconForWindow(
     const aura::Window* window) {
   ShelfID id = GetShelfIDForWindow(window);
-  gfx::Rect bounds(shelf_view_->GetIdealBoundsOfItemIcon(id));
-  gfx::Point screen_origin;
-  views::View::ConvertPointToScreen(shelf_view_, &screen_origin);
-  return gfx::Rect(screen_origin.x() + bounds.x(),
-                   screen_origin.y() + bounds.y(),
-                   bounds.width(),
+  gfx::Rect bounds;
+  int offset_x = 0;
+  int offset_y = 0;
+#if defined(OS_CHROMEOS)
+  if (id == -1) {

[sadrul, 2016/06/20 16:18:12]

How can you tell that -1 is the ime tray item?

[Azure Wei, 2016/06/22 01:47:09]

Set it in extension_app_window_launcher_controller.cc

+    // For opt-in IME menu, the item icon lays on the status tray.
+    bounds = shelf_widget_->status_area_widget()->ime_menu_tray()->bounds();
+    gfx::Rect status_area_bounds =
+        shelf_widget_->status_area_widget()->GetWindowBoundsInScreen();
+    offset_x = status_area_bounds.x();
+    offset_y = status_area_bounds.y();
+  }
+#endif  // defined(OS_CHROMEOS)
+  if (id != -1) {
+    bounds = (shelf_view_->GetIdealBoundsOfItemIcon(id));
+    gfx::Point screen_origin;
+    views::View::ConvertPointToScreen(shelf_view_, &screen_origin);
+    offset_x = screen_origin.x();
+    offset_y = screen_origin.y();
+  }
+
+  return gfx::Rect(offset_x + bounds.x(), offset_y + bounds.y(), bounds.width(),
                    bounds.height());
 }