Record metrics for permission prompt acceptance vs. user gesture.

chrome/browser/permissions/permission_request_impl.cc

Index: chrome/browser/permissions/permission_request_impl.cc
diff --git a/chrome/browser/permissions/permission_request_impl.cc b/chrome/browser/permissions/permission_request_impl.cc
index c7b226998c70b85c7ef211594a00565bafc968fb..da4c6495591fac42213fc2797c1b0314537e6d2b 100644
--- a/chrome/browser/permissions/permission_request_impl.cc
+++ b/chrome/browser/permissions/permission_request_impl.cc
@@ -18,11 +18,13 @@ PermissionRequestImpl::PermissionRequestImpl(
     const GURL& request_origin,
     content::PermissionType permission_type,
     Profile* profile,
+    bool has_gesture,
     const PermissionDecidedCallback& permission_decided_callback,
     const base::Closure delete_callback)
     : request_origin_(request_origin),
       permission_type_(permission_type),
       profile_(profile),
+      has_gesture_(has_gesture),
       permission_decided_callback_(permission_decided_callback),
       delete_callback_(delete_callback),
       is_finished_(false),
@@ -158,3 +160,9 @@ PermissionRequestType PermissionRequestImpl::GetPermissionRequestType()
       return PermissionRequestType::UNKNOWN;
   }
 }
+
+PermissionRequestGestureType PermissionRequestImpl::GetGestureType()
+    const {
+  return has_gesture_ ? PermissionRequestGestureType::GESTURE
+                      : PermissionRequestGestureType::NO_GESTURE;
+}