gfx: Make conversions from Size to SizeF be explicit.

ui/ozone/platform/egltest/ozone_platform_egltest.cc

 // Copyright 2014 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/ozone/platform/egltest/ozone_platform_egltest.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/files/file_path.h"
@@ skipping 41 matching lines @@
     return library;
   return kEglplatformShimDefault;
 }
 
 // Touch events are reported in device coordinates. This scales the event to the
 // window's coordinate space.
 void ScaleTouchEvent(TouchEvent* event, const gfx::SizeF& size) {
   for (const auto& device :
        DeviceDataManager::GetInstance()->touchscreen_devices()) {
     if (device.id == event->source_device_id()) {
-      gfx::SizeF touchscreen_size = device.size;
+      gfx::SizeF touchscreen_size = gfx::SizeF(device.size);
       gfx::PointF location = event->location_f();
 
       location.Scale(size.width() / touchscreen_size.width(),
                      size.height() / touchscreen_size.height());
       double ratio = std::sqrt(size.GetArea() / touchscreen_size.GetArea());
 
       event->set_location(location);
       event->set_radius_x(event->pointer_details().radius_x() * ratio);
       event->set_radius_y(event->pointer_details().radius_y() * ratio);
       return;
@@ skipping 114 matching lines @@
   return nullptr;
 }
 
 bool EgltestWindow::CanDispatchEvent(const ui::PlatformEvent& ne) {
   return true;
 }
 
 uint32_t EgltestWindow::DispatchEvent(const ui::PlatformEvent& native_event) {
   DCHECK(native_event);
   Event* event = static_cast<Event*>(native_event);
-  if (event->IsTouchEvent())
-    ScaleTouchEvent(static_cast<TouchEvent*>(event), bounds_.size());
+  if (event->IsTouchEvent()) {
+    ScaleTouchEvent(static_cast<TouchEvent*>(event),
+                    gfx::SizeF(bounds_.size()));
+  }
 
   DispatchEventFromNativeUiEvent(
       native_event, base::Bind(&PlatformWindowDelegate::DispatchEvent,
                                base::Unretained(delegate_)));
 
   return ui::POST_DISPATCH_STOP_PROPAGATION;
 }
 
 // EGL surface wrapper for libeglplatform_shim.
 //
@@ skipping 206 matching lines @@
 
 }  // namespace
 
 OzonePlatform* CreateOzonePlatformEgltest() {
   OzonePlatformEgltest* platform = new OzonePlatformEgltest;
   platform->Initialize();
   return platform;
 }
 
 }  // namespace ui