Pull to refresh: Use new reload type RELOAD_MAIN_RESOURCE

content/common/frame_message_enums.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_FRAME_MESSAGE_ENUMS_H_
 #define CONTENT_COMMON_FRAME_MESSAGE_ENUMS_H_
 
 #include "content/common/accessibility_mode_enums.h"
 
 struct FrameMsg_Navigate_Type {
  public:
   enum Value {
     // Reload the page, validating cache entries.
     RELOAD,
 
+    // Reload the page, validating only cache entry for the main resource.
+    RELOAD_MAIN_RESOURCE,
+
     // Reload the page, bypassing any cache entries.
     RELOAD_BYPASSING_CACHE,
 
     // Reload the page using the original request URL.
     RELOAD_ORIGINAL_REQUEST_URL,
 
     // The navigation is the result of session restore and should honor the
     // page's cache policy while restoring form state. This is set to true if
     // restoring a tab/session from the previous session and the previous
     // session did not crash. If this is not set and the page was restored then
@@ skipping 21 matching lines @@
     REPORT_LINK,
 
     // Report metrics for this load, that originated from an Android OS intent.
     REPORT_INTENT,
 
     REPORT_TYPE_LAST = REPORT_INTENT,
   };
 };
 
 #endif  // CONTENT_COMMON_FRAME_MESSAGE_ENUMS_H_