Add constructors to WebInputEvents and setters so we can work at cleaning up these public structs.

third_party/WebKit/public/platform/WebGestureEvent.h

Index: third_party/WebKit/public/platform/WebGestureEvent.h
diff --git a/third_party/WebKit/public/platform/WebGestureEvent.h b/third_party/WebKit/public/platform/WebGestureEvent.h
index 791562f026cef28315ce63a0f281d94c03992b14..aa8476a9f923d2a221c46db0c5439257614830d4 100644
--- a/third_party/WebKit/public/platform/WebGestureEvent.h
+++ b/third_party/WebKit/public/platform/WebGestureEvent.h
@@ -154,12 +154,16 @@ class WebGestureEvent : public WebInputEvent {
     } pinchUpdate;
   } data;
 
+  WebGestureEvent(Type type, int modifiers, double timeStampSeconds)
+      : WebInputEvent(sizeof(WebGestureEvent),
+                      type,
+                      modifiers,
+                      timeStampSeconds),
+        sourceDevice(WebGestureDeviceUninitialized),
+        resendingPluginId(-1) {}
+
   WebGestureEvent()
       : WebInputEvent(sizeof(WebGestureEvent)),
-        x(0),
-        y(0),
-        globalX(0),
-        globalY(0),
         sourceDevice(WebGestureDeviceUninitialized),
         resendingPluginId(-1) {}
 };