Need to set the MICROSOFT_TABLETPENSERVICE_PROPERTY window property even for child windows

content/browser/renderer_host/legacy_render_widget_host_win.cc

 // Copyright (c) 2014 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/browser/renderer_host/legacy_render_widget_host_win.h"
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/win/win_util.h"
 #include "base/win/windows_version.h"
 #include "content/browser/accessibility/browser_accessibility_manager_win.h"
 #include "content/browser/accessibility/browser_accessibility_win.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
 #include "content/public/browser/browser_accessibility_state.h"
 #include "content/public/common/content_switches.h"
 #include "ui/base/touch/touch_enabled.h"
 #include "ui/base/view_prop.h"
 #include "ui/base/win/internal_constants.h"
@@ skipping 70 matching lines @@
                  SWP_NOREDRAW);
   if (direct_manipulation_helper_)
     direct_manipulation_helper_->SetBounds(bounds_in_pixel);
 }
 
 void LegacyRenderWidgetHostHWND::OnFinalMessage(HWND hwnd) {
   if (host_) {
     host_->OnLegacyWindowDestroyed();
     host_ = NULL;
   }
+
+  // Re-enable flicks for just a moment
+  base::win::EnableFlicks(hwnd);
+
   delete this;
 }
 
 LegacyRenderWidgetHostHWND::LegacyRenderWidgetHostHWND(HWND parent)
     : mouse_tracking_enabled_(false),
       host_(NULL) {
   RECT rect = {0};
   Base::Create(parent, rect, L"Chrome Legacy Window",
                WS_CHILDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS,
                WS_EX_TRANSPARENT);
@@ skipping 20 matching lines @@
                    CHILDID_SELF);
   }
 
   // Direct Manipulation is enabled on Windows 10+. The CreateInstance function
   // returns NULL if Direct Manipulation is not available.
   direct_manipulation_helper_ =
       gfx::win::DirectManipulationHelper::CreateInstance();
   if (direct_manipulation_helper_)
     direct_manipulation_helper_->Initialize(hwnd());
 
+  // Disable pen flicks (http://crbug.com/506977)
+  base::win::DisableFlicks(hwnd());
+
   return !!SUCCEEDED(hr);
 }
 
 // static
 ui::WindowEventTarget* LegacyRenderWidgetHostHWND::GetWindowEventTarget(
     HWND parent) {
   return reinterpret_cast<ui::WindowEventTarget*>(ui::ViewProp::GetValue(
       parent, ui::WindowEventTarget::kWin32InputEventTarget));
 }
 
@@ skipping 255 matching lines @@
       direct_manipulation_helper_->Activate(hwnd());
     } else if (window_pos->flags & SWP_HIDEWINDOW) {
       direct_manipulation_helper_->Deactivate(hwnd());
     }
   }
   SetMsgHandled(FALSE);
   return 0;
 }
 
 }  // namespace content