Remove TouchEvent interface, and rename TouchEventImpl to TouchEvent

ui/aura/shared/compound_event_filter_unittest.cc

Index: ui/aura/shared/compound_event_filter_unittest.cc
diff --git a/ui/aura/shared/compound_event_filter_unittest.cc b/ui/aura/shared/compound_event_filter_unittest.cc
index deb076b4f58f2421e81d51c2750e42bcfe310066..b827dfe3c78cfcea3d85529952624d4769356338 100644
--- a/ui/aura/shared/compound_event_filter_unittest.cc
+++ b/ui/aura/shared/compound_event_filter_unittest.cc
@@ -68,16 +68,16 @@ TEST_F(CompoundEventFilterTest, TouchHidesCursor) {
 
   // This press is required for the GestureRecognizer to associate a target
   // with kTouchId
-  ui::TouchEventImpl press(
+  ui::TouchEvent press(
       ui::ET_TOUCH_PRESSED, gfx::Point(90, 90), 1, GetTime());
   root_window()->AsRootWindowHostDelegate()->OnHostTouchEvent(&press);
   EXPECT_FALSE(cursor_client.IsCursorVisible());
 
-  ui::TouchEventImpl move(ui::ET_TOUCH_MOVED, gfx::Point(10, 10), 1, GetTime());
+  ui::TouchEvent move(ui::ET_TOUCH_MOVED, gfx::Point(10, 10), 1, GetTime());
   root_window()->AsRootWindowHostDelegate()->OnHostTouchEvent(&move);
   EXPECT_FALSE(cursor_client.IsCursorVisible());
 
-  ui::TouchEventImpl release(
+  ui::TouchEvent release(
       ui::ET_TOUCH_RELEASED, gfx::Point(10, 10), 1, GetTime());
   root_window()->AsRootWindowHostDelegate()->OnHostTouchEvent(&release);
   EXPECT_FALSE(cursor_client.IsCursorVisible());