Revert of predictors: Basic browsertest checks predictor learning.

chrome/browser/predictors/resource_prefetch_predictor_unittest.cc

Index: chrome/browser/predictors/resource_prefetch_predictor_unittest.cc
diff --git a/chrome/browser/predictors/resource_prefetch_predictor_unittest.cc b/chrome/browser/predictors/resource_prefetch_predictor_unittest.cc
index a99e0afd23777c3561f350d3aceb141b1c9b3664..c1050456ea6168f805a953cc56813670b76a1823 100644
--- a/chrome/browser/predictors/resource_prefetch_predictor_unittest.cc
+++ b/chrome/browser/predictors/resource_prefetch_predictor_unittest.cc
@@ -186,6 +186,47 @@
             false,
             history::SOURCE_BROWSED);
     profile_->BlockUntilHistoryProcessesPendingRequests();
+  }
+
+  NavigationID CreateNavigationID(int process_id,
+                                  int render_frame_id,
+                                  const std::string& main_frame_url) {
+    NavigationID navigation_id(process_id, render_frame_id,
+                               GURL(main_frame_url));
+    navigation_id.creation_time = base::TimeTicks::Now();
+    return navigation_id;
+  }
+
+  PageRequestSummary CreatePageRequestSummary(
+      const std::string& main_frame_url,
+      const std::string& initial_url,
+      const std::vector<URLRequestSummary>& subresource_requests) {
+    GURL main_frame_gurl(main_frame_url);
+    PageRequestSummary summary(main_frame_gurl);
+    summary.initial_url = GURL(initial_url);
+    summary.subresource_requests = subresource_requests;
+    return summary;
+  }
+
+  URLRequestSummary CreateURLRequestSummary(
+      int process_id,
+      int render_frame_id,
+      const std::string& main_frame_url,
+      const std::string& resource_url = std::string(),
+      content::ResourceType resource_type = content::RESOURCE_TYPE_MAIN_FRAME,
+      net::RequestPriority priority = net::MEDIUM,
+      const std::string& mime_type = std::string(),
+      bool was_cached = false) {
+    URLRequestSummary summary;
+    summary.navigation_id = CreateNavigationID(process_id, render_frame_id,
+                                               main_frame_url);
+    summary.resource_url =
+        resource_url.empty() ? GURL(main_frame_url) : GURL(resource_url);
+    summary.resource_type = resource_type;
+    summary.priority = priority;
+    summary.mime_type = mime_type;
+    summary.was_cached = was_cached;
+    return summary;
   }
 
   URLRequestSummary CreateRedirectRequestSummary(