Revert of Partially move history_types.{cc,h} to //components/history

chrome/browser/history/page_usage_data.cc

Index: chrome/browser/history/page_usage_data.cc
diff --git a/chrome/browser/history/page_usage_data.cc b/chrome/browser/history/page_usage_data.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9604e197b093a10e26bf53bbb8a753c1c55d4ee8
--- /dev/null
+++ b/chrome/browser/history/page_usage_data.cc
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 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.
+
+#include "chrome/browser/history/page_usage_data.h"
+
+#include <algorithm>
+
+PageUsageData::PageUsageData(history::SegmentID id)
+    : id_(id),
+      score_(0.0) {
+}
+
+PageUsageData::~PageUsageData() {
+}
+
+// static
+bool PageUsageData::Predicate(const PageUsageData* lhs,
+                              const PageUsageData* rhs) {
+  return lhs->GetScore() > rhs->GetScore();
+}