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

chrome/browser/android/compositor/layer/tab_handle_layer.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 "chrome/browser/android/compositor/layer/tab_handle_layer.h"
 
 #include "base/i18n/rtl.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/solid_color_layer.h"
 #include "chrome/browser/android/compositor/decoration_title.h"
@@ skipping 72 matching lines @@
     // aesthetic animations.
     x = x - (margin_width - width);
     width = margin_width;
   }
   if (margin_height >= height) {
     y = y - (margin_height - height);
     height = margin_height;
   }
   gfx::Size tab_bounds(width, height);
 
-  layer_->SetPosition(gfx::Point(x, y));
+  layer_->SetPosition(gfx::PointF(x, y));
   DecorationTitle* title_layer = nullptr;
   if (layer_title_cache_)
     title_layer = layer_title_cache_->GetTitleLayer(id);
 
   if (title_layer) {
     title_layer->setOpacity(1.0f);
     unsigned expected_children = 3;
     if (foreground_)
       expected_children += 1;
     title_layer_ = title_layer->layer();
@@ skipping 33 matching lines @@
                   title_layer->size().height() / 2;
     int title_x = is_rtl ? padding_left + close_width : padding_left;
     title_x += is_rtl ? 0 : content_offset_x;
     title_layer->setBounds(gfx::Size(
         width - padding_right - padding_left - close_width - content_offset_x,
         height));
     if (foreground_) {
       title_x += original_x;
       title_y += original_y;
     }
-    title_layer->layer()->SetPosition(gfx::Point(title_x, title_y));
+    title_layer->layer()->SetPosition(gfx::PointF(title_x, title_y));
     if (is_loading) {
       title_layer->SetIsLoading(true);
       title_layer->SetSpinnerRotation(spinner_rotation);
     } else {
       title_layer->SetIsLoading(false);
     }
   }
 
   if (close_button_alpha == 0.f) {
     close_button_->SetIsDrawable(false);
@@ skipping 32 matching lines @@
   decoration_tab_->SetIsDrawable(true);
   layer_->AddChild(decoration_tab_);
   layer_->AddChild(close_button_);
 }
 
 TabHandleLayer::~TabHandleLayer() {
 }
 
 }  // namespace android
 }  // namespace chrome