Handle pointer-events: none in browser process hittesting.

content/browser/renderer_host/render_widget_host_input_event_router.h

Index: content/browser/renderer_host/render_widget_host_input_event_router.h
diff --git a/content/browser/renderer_host/render_widget_host_input_event_router.h b/content/browser/renderer_host/render_widget_host_input_event_router.h
index 03902f5b3d1939568d3f5992245d5bf7c02a6e76..ec45f1543c9be9d5d9d044c91c19b1c24a7326ff 100644
--- a/content/browser/renderer_host/render_widget_host_input_event_router.h
+++ b/content/browser/renderer_host/render_widget_host_input_event_router.h
@@ -6,12 +6,17 @@
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_INPUT_EVENT_ROUTER_H_
 
 #include <stdint.h>
+#include <unordered_map>
 
 #include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
+#include "cc/surfaces/surface_hittest_delegate.h"
+#include "cc/surfaces/surface_id.h"
 #include "content/common/content_export.h"
 
+struct FrameHostMsg_HittestData_Params;
+
 namespace blink {
 class WebMouseEvent;
 class WebMouseWheelEvent;
@@ -56,7 +61,25 @@ class CONTENT_EXPORT RenderWidgetHostInputEventRouter {
     return owner_map_.find(id) != owner_map_.end();
   }
 
+  void OnHittestData(const FrameHostMsg_HittestData_Params& params);
+
  private:
+  struct HittestData {
+    bool ignored_for_hittest;
+  };
+
+  class HittestDelegate : public cc::SurfaceHittestDelegate {
+   public:
+    HittestDelegate(
+        const std::unordered_map<cc::SurfaceId, HittestData, cc::SurfaceIdHash>&
+            hittest_data);
+    bool RejectHitTarget(const cc::SurfaceDrawQuad* surface_quad,
+                         const gfx::Point& point_in_quad_space) override;
+
+    const std::unordered_map<cc::SurfaceId, HittestData, cc::SurfaceIdHash>&
+        hittest_data_;
+  };
+
   using WeakTarget = base::WeakPtr<RenderWidgetHostViewBase>;
   using SurfaceIdNamespaceOwnerMap =
       base::hash_map<uint32_t, base::WeakPtr<RenderWidgetHostViewBase>>;
@@ -68,6 +91,8 @@ class CONTENT_EXPORT RenderWidgetHostInputEventRouter {
   SurfaceIdNamespaceOwnerMap owner_map_;
   WeakTarget current_touch_target_;
   int active_touches_;
+  std::unordered_map<cc::SurfaceId, HittestData, cc::SurfaceIdHash>
+      hittest_data_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostInputEventRouter);
 };