Add OOPIF-specific test for setting TOUCH_ACTION in PointerEvents.

content/browser/renderer_host/input/input_router_impl.h

Index: content/browser/renderer_host/input/input_router_impl.h
diff --git a/content/browser/renderer_host/input/input_router_impl.h b/content/browser/renderer_host/input/input_router_impl.h
index 338bc1e06168e680c3fecd60b04360ca4005e603..3109d041a929d779e2c0d91bc69e80fc7df86eb3 100644
--- a/content/browser/renderer_host/input/input_router_impl.h
+++ b/content/browser/renderer_host/input/input_router_impl.h
@@ -10,6 +10,7 @@
 #include <memory>
 #include <queue>
 
+#include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/time/time.h"
 #include "content/browser/renderer_host/input/gesture_event_queue.h"
@@ -81,6 +82,8 @@ class CONTENT_EXPORT InputRouterImpl
 
  private:
   friend class InputRouterImplTest;
+  FRIEND_TEST_ALL_PREFIXES(SitePerProcessBrowserTest,
+                           SubframeTouchEventRouting);
 
   // TouchpadTapSuppressionControllerClient
   void SendMouseEventImmediately(
@@ -198,6 +201,10 @@ class CONTENT_EXPORT InputRouterImpl
 
   int routing_id() const { return routing_id_; }
 
+  TouchAction allowed_touch_action() {

[Charlie Reis, 2017/01/13 21:37:17]

This isn't needed in production code, right?  Maybe we should name it
allowed_touch_action_for_testing(), or just omit it entirely and access
touch_action_filter_ directly in the test.

[wjmaclean, 2017/01/13 21:59:22]

Done.

+    return touch_action_filter_.allowed_touch_action();
+  }
+
   IPC::Sender* sender_;
   InputRouterClient* client_;
   InputAckHandler* ack_handler_;