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Unified Diff: content/browser/renderer_host/legacy_render_widget_host_win.h

Issue 1283913002: Improve scroll performance on Windows 10 with high precision touchpads. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Address review comments Created 5 years, 4 months ago
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Index: content/browser/renderer_host/legacy_render_widget_host_win.h
diff --git a/content/browser/renderer_host/legacy_render_widget_host_win.h b/content/browser/renderer_host/legacy_render_widget_host_win.h
index 70f685939fd9139889060ff442afe8044f340ada..5203371b3327633073a72bebbf9787e8dc602632 100644
--- a/content/browser/renderer_host/legacy_render_widget_host_win.h
+++ b/content/browser/renderer_host/legacy_render_widget_host_win.h
@@ -11,9 +11,11 @@
#include <oleacc.h>
#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
#include "base/win/scoped_comptr.h"
#include "content/common/content_export.h"
#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/win/direct_manipulation.h"
namespace ui {
class WindowEventTarget;
@@ -143,6 +145,11 @@ class CONTENT_EXPORT LegacyRenderWidgetHostHWND
RenderWidgetHostViewAura* host_;
+ // This class provides functionality to register the legacy window as a
+ // Direct Manipulation consumer. This allows us to support smooth scroll
+ // in Chrome on Windows 10.
+ scoped_ptr<gfx::win::DirectManipulationHelper> direct_manipulation_helper_;
+
DISALLOW_COPY_AND_ASSIGN(LegacyRenderWidgetHostHWND);
};
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