Add scroll and gesture message filters for UIPI Flash.

Flash forwards some window messages when it has no handler set. The only ones I've observed are WM_MOUSEWHEEL and WM_GESTURE (gestures are supported only on Win7). So, we need to allow these messages through the UIPI boundary. 

One important note is that I use per-process message filters on Vista, but per-window filters on Win7 or later (because they're supported). 

BUG=86810
TEST=None.
Review URL: http://codereview.chromium.org/7617019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@96592 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 6 insertions, 2 deletions

diff --git a/webkit/plugins/npapi/plugin_constants_win.cc b/webkit/plugins/npapi/plugin_constants_win.cc
index 44debe4..a62d9bb 100644
--- a/webkit/plugins/npapi/plugin_constants_win.cc
+++ b/webkit/plugins/npapi/plugin_constants_win.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -9,6 +9,7 @@ namespace npapi {
 
 const char16 kNativeWindowClassName[] = L"NativeWindowClass";
 const char16 kWrapperNativeWindowClassName[] = L"WrapperNativeWindowClass";
+const char16 kNativeWindowClassFilterProp[] = L"NativeWindowClassFilterProp";
 const char16 kPaintMessageName[] = L"Chrome_CustomPaintil";
 const char16 kRegistryMozillaPlugins[] = L"SOFTWARE\\MozillaPlugins";
 const char16 kMozillaActiveXPlugin[] = L"npmozax.dll";
diff --git a/webkit/plugins/npapi/plugin_constants_win.h b/webkit/plugins/npapi/plugin_constants_win.h
index 19742df..edfbaaf 100644
--- a/webkit/plugins/npapi/plugin_constants_win.h
+++ b/webkit/plugins/npapi/plugin_constants_win.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -13,6 +13,9 @@ namespace npapi {
 // The window class name for a plugin window.
 extern const char16 kNativeWindowClassName[];
 
+// If property is non-zero window reparenting must add UIPI message filters.
+extern const char16 kNativeWindowClassFilterProp[];
+
 // The name of the window class name for the wrapper HWND around the actual
 // plugin window that's used when running in multi-process mode.  This window
 // is created on the browser UI thread.