Move NPAPI implementation out of webkit/plugins/npapi and into content.

webkit/plugins/npapi/webplugin.cc

-// Copyright (c) 2012 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 "webkit/plugins/npapi/webplugin.h"
-
-namespace webkit {
-namespace npapi {
-
-WebPluginGeometry::WebPluginGeometry()
-    : window(gfx::kNullPluginWindow),
-      rects_valid(false),
-      visible(false) {
-}
-
-WebPluginGeometry::~WebPluginGeometry() {
-}
-
-bool WebPluginGeometry::Equals(const WebPluginGeometry& rhs) const {
-  return window == rhs.window &&
-         window_rect == rhs.window_rect &&
-         clip_rect == rhs.clip_rect &&
-         cutout_rects == rhs.cutout_rects &&
-         rects_valid == rhs.rects_valid &&
-         visible == rhs.visible;
-}
-
-}  // namespace npapi
-}  // namespace webkit