Revert of Remove a bunch of NPAPI quirks and related support code

content/test/test_render_view_host.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 "content/test/test_render_view_host.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "content/browser/dom_storage/dom_storage_context_wrapper.h"
@@ skipping 187 matching lines @@
   return false;
 }
 
 void TestRenderWidgetHostView::UnlockMouse() {
 }
 
 #if defined(OS_WIN)
 void TestRenderWidgetHostView::SetParentNativeViewAccessible(
     gfx::NativeViewAccessible accessible_parent) {
 }
+
+gfx::NativeViewId TestRenderWidgetHostView::GetParentForWindowlessPlugin()
+    const {
+  return 0;
+}
 #endif
 
 TestRenderViewHost::TestRenderViewHost(SiteInstance* instance,
                                        scoped_ptr<RenderWidgetHostImpl> widget,
                                        RenderViewHostDelegate* delegate,
                                        int32_t main_frame_routing_id,
                                        bool swapped_out)
     : RenderViewHostImpl(instance,
                          std::move(widget),
                          delegate,
@@ skipping 104 matching lines @@
 
 TestRenderFrameHost* RenderViewHostImplTestHarness::main_test_rfh() {
   return contents()->GetMainFrame();
 }
 
 TestWebContents* RenderViewHostImplTestHarness::contents() {
   return static_cast<TestWebContents*>(web_contents());
 }
 
 }  // namespace content