Record metrics for permission prompt acceptance vs. user gesture.

chrome/browser/permissions/permission_bubble_request_impl.cc

Index: chrome/browser/permissions/permission_bubble_request_impl.cc
diff --git a/chrome/browser/permissions/permission_bubble_request_impl.cc b/chrome/browser/permissions/permission_bubble_request_impl.cc
index 20017753f8c837f8a765390fe0888fbc495a50ee..dc66d938ed254ec15ee14ff8110112f19c77eacc 100644
--- a/chrome/browser/permissions/permission_bubble_request_impl.cc
+++ b/chrome/browser/permissions/permission_bubble_request_impl.cc
@@ -17,6 +17,7 @@
 PermissionBubbleRequestImpl::PermissionBubbleRequestImpl(
     const GURL& request_origin,
     content::PermissionType permission_type,
+    bool has_gesture,
     const PermissionDecidedCallback& permission_decided_callback,
     const base::Closure delete_callback)
     : request_origin_(request_origin),
@@ -154,3 +155,9 @@ PermissionBubbleType PermissionBubbleRequestImpl::GetPermissionBubbleType()
       return PermissionBubbleType::UNKNOWN;
   }
 }
+
+PermissionBubbleGestureType PermissionBubbleRequestImpl::GetGestureType()
+    const {
+  return has_gesture_ ? PermissionBubbleGestureType::GESTURE
+                      : PermissionBubbleGestureType::NO_GESTURE;
+}