gfx: Make conversions from gfx::Point to PointF explicit.

chrome/browser/ui/views/ash/tab_scrubber_browsertest.cc

Index: chrome/browser/ui/views/ash/tab_scrubber_browsertest.cc
diff --git a/chrome/browser/ui/views/ash/tab_scrubber_browsertest.cc b/chrome/browser/ui/views/ash/tab_scrubber_browsertest.cc
index 7bb69dbdbf628b4039ced4ad4c684a5a6a689112..0b99e8d8f8e1fda1bc47063428d96d8a8c8e1b25 100644
--- a/chrome/browser/ui/views/ash/tab_scrubber_browsertest.cc
+++ b/chrome/browser/ui/views/ash/tab_scrubber_browsertest.cc
@@ -108,12 +108,8 @@ class TabScrubberTest : public InProcessBrowserTest,
 
     float offset = GetTabCenter(browser, index) -
         GetStartX(browser, active_index, direction);
-    ui::ScrollEvent scroll_event(ui::ET_SCROLL,
-                                 gfx::PointF(0, 0),
-                                 ui::EventTimeForNow(),
-                                 0,
-                                 offset, 0,
-                                 offset, 0,
+    ui::ScrollEvent scroll_event(ui::ET_SCROLL, gfx::Point(0, 0),
+                                 ui::EventTimeForNow(), 0, offset, 0, offset, 0,
                                  3);
     event_generator.Dispatch(&scroll_event);
   }