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

chrome/browser/android/compositor/layer/toolbar_layer.cc

Index: chrome/browser/android/compositor/layer/toolbar_layer.cc
diff --git a/chrome/browser/android/compositor/layer/toolbar_layer.cc b/chrome/browser/android/compositor/layer/toolbar_layer.cc
index 1028e681c970fe0b61e06396a2757f0a52f923f1..14b73dfd6b071bad1b2d917c14476d2e1d485d9d 100644
--- a/chrome/browser/android/compositor/layer/toolbar_layer.cc
+++ b/chrome/browser/android/compositor/layer/toolbar_layer.cc
@@ -40,7 +40,7 @@ void ToolbarLayer::PushResource(
 
   anonymize_layer_->SetHideLayerAndSubtree(!anonymize);
   if (anonymize) {
-    anonymize_layer_->SetPosition(resource->aperture.origin());
+    anonymize_layer_->SetPosition(gfx::PointF(resource->aperture.origin()));
     anonymize_layer_->SetBounds(resource->aperture.size());
     anonymize_layer_->SetBackgroundColor(toolbar_textbox_background_color);
   }