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 WebPluginDelegateProxy::OnGetPluginElement(int route_id, bool* success) {
  *success = false;
  NPObject* npobject = NULL;
  if (plugin_)
    npobject = plugin_->GetPluginElement();
  if (!npobject)
    return;

  new NPObjectStub(
      npobject, channel_host_.get(), route_id, 0, page_url_);
  *success = true;
}

void WebPluginDelegateProxy::OnGetPluginElement(int route_id, bool* success) {
  *success = false;
  NPObject* npobject = NULL;
  if (plugin_)
    npobject = plugin_->GetPluginElement();
  if (!npobject)
    return;

  new NPObjectStub(
      npobject, channel_host_.get(), route_id, 0, page_url_);
  *success = true;
}
