Use WTF::TimeTicks to represent timestamp in Platform/Core event types

third_party/WebKit/Source/core/page/DragController.cpp

Index: third_party/WebKit/Source/core/page/DragController.cpp
diff --git a/third_party/WebKit/Source/core/page/DragController.cpp b/third_party/WebKit/Source/core/page/DragController.cpp
index ef4d262305f5e02a27fbb81b4342444aef5772b6..6ec0a62999847d7e8b9f0b0b75b752e69f47395c 100644
--- a/third_party/WebKit/Source/core/page/DragController.cpp
+++ b/third_party/WebKit/Source/core/page/DragController.cpp
@@ -123,8 +123,7 @@ static PlatformMouseEvent createMouseEvent(DragData* dragData) {
       dragData->clientPosition(), dragData->globalPosition(),
       WebPointerProperties::Button::Left, PlatformEvent::MouseMoved, 0,
       static_cast<PlatformEvent::Modifiers>(dragData->modifiers()),
-      PlatformMouseEvent::RealOrIndistinguishable,
-      monotonicallyIncreasingTime());
+      PlatformMouseEvent::RealOrIndistinguishable, TimeTicks::Now());
 }
 
 static DataTransfer* createDraggingDataTransfer(DataTransferAccessPolicy policy,