Convert the coordinates in WebInputEvent To Viewport in InputRouter

content/browser/renderer_host/render_widget_host_unittest.cc

Index: content/browser/renderer_host/render_widget_host_unittest.cc
diff --git a/content/browser/renderer_host/render_widget_host_unittest.cc b/content/browser/renderer_host/render_widget_host_unittest.cc
index 9d95b9ae321db9c25ecf6a1a8594e79a66cd6f47..25f9be6941cdf60d0de9b9fbd32b421855273e29 100644
--- a/content/browser/renderer_host/render_widget_host_unittest.cc
+++ b/content/browser/renderer_host/render_widget_host_unittest.cc
@@ -119,6 +119,7 @@ class MockInputRouter : public InputRouter {
   void NotifySiteIsMobileOptimized(bool is_mobile_optimized) override {}
   void RequestNotificationWhenFlushed() override {}
   bool HasPendingEvents() const override { return false; }
+  void SetDeviceScaleFactor(float device_scale_factor) override {}
 
   // IPC::Listener
   bool OnMessageReceived(const IPC::Message& message) override {