Clean up calls like "gfx::Rect(0, 0, size().width(), size().height()".

The caller can use the much shorter "gfx::Rect(size())", since gfx::Rect
has a constructor that just takes a Size.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/2204001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@48283 0039d316-1c4b-4281-b951-d872f2087c98
void RenderWidget::Init(int32 opener_id) {
  DCHECK(!webwidget_);

  if (opener_id != MSG_ROUTING_NONE)
    opener_id_ = opener_id;

  webwidget_ = WebPopupMenu::create(this);

  bool result = render_thread_->Send(
      new ViewHostMsg_CreateWidget(opener_id, popup_type_, &routing_id_));
  if (result) {
    render_thread_->AddRoute(routing_id_, this);
    AddRef();
  } else {
    DCHECK(false);
  }
}

void RenderWidget::Init(int32 opener_id) {
  DCHECK(!webwidget_);

  if (opener_id != MSG_ROUTING_NONE)
    opener_id_ = opener_id;

  webwidget_ = WebPopupMenu::create(this);

  bool result = render_thread_->Send(
      new ViewHostMsg_CreateWidget(opener_id, popup_type_, &routing_id_));
  if (result) {
    render_thread_->AddRoute(routing_id_, this);
    AddRef();
  } else {
    DCHECK(false);
  }
}
