Revert of Touch emulator: overwrite timestamps from mouse event with current time.

content/browser/renderer_host/input/touch_emulator_unittest.cc

Index: content/browser/renderer_host/input/touch_emulator_unittest.cc
diff --git a/content/browser/renderer_host/input/touch_emulator_unittest.cc b/content/browser/renderer_host/input/touch_emulator_unittest.cc
index 5337fca4bb296b067f4228cbe0e5501498b3eef7..88ba25150009cb8200f160520702d71923f6f058 100644
--- a/content/browser/renderer_host/input/touch_emulator_unittest.cc
+++ b/content/browser/renderer_host/input/touch_emulator_unittest.cc
@@ -202,7 +202,7 @@
   MouseUp(200, 200);
   EXPECT_EQ(
       "TouchMove GestureTapCancel GestureScrollBegin GestureScrollUpdate"
-      " TouchEnd GestureFlingStart",
+      " TouchEnd GestureScrollEnd",
       ExpectedEvents());
 }
 
@@ -214,13 +214,13 @@
   MouseUp(200, 200);
   EXPECT_EQ(
       "TouchMove GestureTapCancel GestureScrollBegin GestureScrollUpdate"
-      " TouchEnd GestureFlingStart",
+      " TouchEnd GestureScrollEnd",
       ExpectedEvents());
   MouseMove(300, 200);
   MouseMove(200, 200);
   EXPECT_EQ("", ExpectedEvents());
   MouseDown(300, 200);
-  EXPECT_EQ("TouchStart GestureFlingCancel GestureTapDown", ExpectedEvents());
+  EXPECT_EQ("TouchStart GestureTapDown", ExpectedEvents());
   MouseDrag(300, 300);
   EXPECT_EQ(
       "TouchMove GestureTapCancel GestureScrollBegin GestureScrollUpdate",