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

ui/platform_window/android/platform_window_android.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/platform_window/android/platform_window_android.h"
 
 #include <android/input.h>
 #include <android/native_window_jni.h>
 
 #include "base/android/jni_android.h"
@@ skipping 100 matching lines @@
                                        jfloat y,
                                        jfloat pressure,
                                        jfloat touch_major,
                                        jfloat touch_minor,
                                        jfloat orientation,
                                        jfloat h_wheel,
                                        jfloat v_wheel) {
   ui::EventType event_type = MotionEventActionToEventType(masked_action);
   if (event_type == ui::ET_UNKNOWN)
     return false;
-  ui::TouchEvent touch(event_type, gfx::PointF(x, y), ui::EF_NONE, pointer_id,
-      base::TimeDelta::FromMilliseconds(time_ms),
-      touch_major, touch_minor, orientation, pressure);
+  ui::TouchEvent touch(event_type, gfx::Point(), ui::EF_NONE, pointer_id,
+                       base::TimeDelta::FromMilliseconds(time_ms), touch_major,
+                       touch_minor, orientation, pressure);
+  touch.set_location_f(gfx::PointF(x, y));
+  touch.set_root_location_f(gfx::PointF(x, y));
   delegate_->DispatchEvent(&touch);
   return true;
 }
 
 bool PlatformWindowAndroid::KeyEvent(JNIEnv* env,
                                      jobject obj,
                                      bool pressed,
                                      jint key_code,
                                      jint unicode_character) {
   ui::KeyEvent key_event(pressed ? ui::ET_KEY_PRESSED : ui::ET_KEY_RELEASED,
@@ skipping 80 matching lines @@
 
 void PlatformWindowAndroid::ConfineCursorToBounds(const gfx::Rect& bounds) {
   NOTIMPLEMENTED();
 }
 
 PlatformImeController* PlatformWindowAndroid::GetPlatformImeController() {
   return &platform_ime_controller_;
 }
 
 }  // namespace ui