Switch the history backend from using page ids to navigation entry unique ids.

chrome/browser/history/history_backend_unittest.cc

Index: chrome/browser/history/history_backend_unittest.cc
diff --git a/chrome/browser/history/history_backend_unittest.cc b/chrome/browser/history/history_backend_unittest.cc
index cbbcac4260dd0f54948363db0946dc46a7fe4bac..e9d32d86a763b9a54a6a4da0377e1bc9fcc746a1 100644
--- a/chrome/browser/history/history_backend_unittest.cc
+++ b/chrome/browser/history/history_backend_unittest.cc
@@ -309,15 +309,15 @@ class HistoryBackendTest : public HistoryBackendTestBase {
   ~HistoryBackendTest() override {}
 
  protected:
-  void AddRedirectChain(const char* sequence[], int page_id) {
-    AddRedirectChainWithTransitionAndTime(sequence, page_id,
+  void AddRedirectChain(const char* sequence[], int nav_entry_id) {
+    AddRedirectChainWithTransitionAndTime(sequence, nav_entry_id,
                                           ui::PAGE_TRANSITION_LINK,
                                           Time::Now());
   }
 
   void AddRedirectChainWithTransitionAndTime(
       const char* sequence[],
-      int page_id,
+      int nav_entry_id,
       ui::PageTransition transition,
       base::Time time) {
     history::RedirectList redirects;
@@ -326,7 +326,7 @@ class HistoryBackendTest : public HistoryBackendTestBase {
 
     ContextID context_id = reinterpret_cast<ContextID>(1);
     history::HistoryAddPageArgs request(
-        redirects.back(), time, context_id, page_id, GURL(),
+        redirects.back(), time, context_id, nav_entry_id, GURL(),
         redirects, transition, history::SOURCE_BROWSED,
         true);
     backend_->AddPage(request);