Classify navigations without page id in parallel to the existing classifier.

content/public/test/test_renderer_host.h

Index: content/public/test/test_renderer_host.h
diff --git a/content/public/test/test_renderer_host.h b/content/public/test/test_renderer_host.h
index e4eb93d4fd471a7919d16bdadf1edfcf9d097473..001a48e00b1144ce2410b94edca315430a358c0d 100644
--- a/content/public/test/test_renderer_host.h
+++ b/content/public/test/test_renderer_host.h
@@ -71,17 +71,27 @@ class RenderFrameHostTester {
   virtual RenderFrameHost* AppendChild(const std::string& frame_name) = 0;
 
   // Calls OnDidCommitProvisionalLoad on the RenderFrameHost with the given
-  // information. Sets the rest of the parameters in the message to the
-  // "typical" values. This is a helper function for simulating the most common
-  // types of loads.
-  virtual void SendNavigate(int page_id, const GURL& url) = 0;
-  virtual void SendFailedNavigate(int page_id, const GURL& url) = 0;
-
-  // Calls OnDidCommitProvisionalLoad on the RenderFrameHost with the given
-  // information, including a custom PageTransition.  Sets the rest of the
-  // parameters in the message to the "typical" values. This is a helper
-  // function for simulating the most common types of loads.
+  // information with various sets of parameters. These are helper functions for
+  // simulating the most common types of loads.
+  //
+  // Guidance for calling these:
+  // - nav_entry_id should be 0 if simulating a renderer-initiated navigation;
+  //   if simulating a browser-initiated one, pass the GetUniqueID() value of
+  //   the NavigationController's PendingEntry.
+  // - did_create_new_entry should be true if simulating a navigation that
+  //   created a new navigation entry; false for history navigations, reloads,
+  //   and other navigations that don't affect the history list.
+  virtual void SendNavigate(int page_id,
+                            int nav_entry_id,
+                            bool did_create_new_entry,
+                            const GURL& url) = 0;
+  virtual void SendFailedNavigate(int page_id,
+                                  int nav_entry_id,
+                                  bool did_create_new_entry,
+                                  const GURL& url) = 0;
   virtual void SendNavigateWithTransition(int page_id,
+                                          int nav_entry_id,
+                                          bool did_create_new_entry,
                                           const GURL& url,
                                           ui::PageTransition transition) = 0;