Switch to standard integer types in ash/.

ash/display/cursor_window_controller_unittest.cc

Index: ash/display/cursor_window_controller_unittest.cc
diff --git a/ash/display/cursor_window_controller_unittest.cc b/ash/display/cursor_window_controller_unittest.cc
index d1f94458d569da8a9bcb5ffa8f8fde114b409c41..5640bb19a2238690dff054d2f1da731e20d12307 100644
--- a/ash/display/cursor_window_controller_unittest.cc
+++ b/ash/display/cursor_window_controller_unittest.cc
@@ -44,7 +44,7 @@ class CursorWindowControllerTest : public test::AshTestBase {
     return cursor_window_controller_->GetCursorImageForTest();
   }
 
-  int64 GetCursorDisplayId() const {
+  int64_t GetCursorDisplayId() const {
     return cursor_window_controller_->display_.id();
   }
 
@@ -72,8 +72,8 @@ TEST_F(CursorWindowControllerTest, MoveToDifferentDisplay) {
 
   WindowTreeHostManager* window_tree_host_manager =
       Shell::GetInstance()->window_tree_host_manager();
-  int64 primary_display_id = window_tree_host_manager->GetPrimaryDisplayId();
-  int64 secondary_display_id = ScreenUtil::GetSecondaryDisplay().id();
+  int64_t primary_display_id = window_tree_host_manager->GetPrimaryDisplayId();
+  int64_t secondary_display_id = ScreenUtil::GetSecondaryDisplay().id();
   aura::Window* primary_root =
       window_tree_host_manager->GetRootWindowForDisplayId(primary_display_id);
   aura::Window* secondary_root =
@@ -154,7 +154,7 @@ TEST_F(CursorWindowControllerTest, VisibilityTest) {
 // the DSF becomes 1x as a result of zooming out.
 TEST_F(CursorWindowControllerTest, DSF) {
   UpdateDisplay("1000x500*2");
-  int64 primary_id = Shell::GetScreen()->GetPrimaryDisplay().id();
+  int64_t primary_id = Shell::GetScreen()->GetPrimaryDisplay().id();
 
   test::ScopedSetInternalDisplayId set_internal(primary_id);
   SetCursorCompositionEnabled(true);