predictors: Make speculative_prefetch_predictor work with PlzNavigate

chrome/browser/predictors/resource_prefetch_predictor_test_util.h

 // Copyright 2016 The Chromium Authors. All rights reserved.

[ahemery, 2016/12/19 14:53:42]

Everything in this file was used during my debugging. Could be useful for other
people to use. Let me know if you think this should be deleted.

 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 #ifndef CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_TEST_UTIL_H_
 #define CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_TEST_UTIL_H_
 
+#include <map>
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "chrome/browser/predictors/resource_prefetch_predictor.h"
 #include "chrome/browser/predictors/resource_prefetch_predictor_tables.h"
 
 namespace predictors {
 
 void InitializeResourceData(ResourceData* resource,
                             const std::string& resource_url,
@@ skipping 45 matching lines @@
 std::ostream& operator<<(std::ostream& stream, const ResourceData& resource);
 std::ostream& operator<<(std::ostream& stream, const RedirectData& data);
 std::ostream& operator<<(std::ostream& stream, const RedirectStat& redirect);
 std::ostream& operator<<(
     std::ostream& stream,
     const ResourcePrefetchPredictor::PageRequestSummary& summary);
 std::ostream& operator<<(
     std::ostream& stream,
     const ResourcePrefetchPredictor::URLRequestSummary& summary);
 std::ostream& operator<<(std::ostream& stream, const NavigationID& id);
+std::ostream& operator<<(
+    std::ostream& stream,
+    const std::map<
+        NavigationID,
+        std::unique_ptr<ResourcePrefetchPredictor::PageRequestSummary>>& map);
 
 bool operator==(const PrefetchData& lhs, const PrefetchData& rhs);
 bool operator==(const ResourceData& lhs, const ResourceData& rhs);
 bool operator==(const RedirectData& lhs, const RedirectData& rhs);
 bool operator==(const RedirectStat& lhs, const RedirectStat& rhs);
 bool operator==(const ResourcePrefetchPredictor::PageRequestSummary& lhs,
                 const ResourcePrefetchPredictor::PageRequestSummary& rhs);
 bool operator==(const ResourcePrefetchPredictor::URLRequestSummary& lhs,
                 const ResourcePrefetchPredictor::URLRequestSummary& rhs);
 
 }  // namespace predictors
 
 #endif  // CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_PREDICTOR_TEST_UTIL_H_