5 files changed, 61 insertions, 0 deletions
diff --git a/chrome/browser/history/in_memory_url_index.cc b/chrome/browser/history/in_memory_url_index.cc
new file mode 100644
index 0000000..83c401f
--- /dev/null
+++ b/chrome/browser/history/in_memory_url_index.cc
@@ -0,0 +1,13 @@
+// Copyright (c) 2010 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/in_memory_url_index.h"
+
+namespace history {
+
+InMemoryURLIndex::InMemoryURLIndex() {}
+
+InMemoryURLIndex::~InMemoryURLIndex() {}
+
+}  // namespace history
diff --git a/chrome/browser/history/in_memory_url_index.h b/chrome/browser/history/in_memory_url_index.h
new file mode 100644
index 0000000..7b57a4a
--- /dev/null
+++ b/chrome/browser/history/in_memory_url_index.h
@@ -0,0 +1,23 @@
+// Copyright (c) 2010 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.
+
+#ifndef CHROME_BROWSER_HISTORY_IN_MEMORY_URL_INDEX_H_
+#define CHROME_BROWSER_HISTORY_IN_MEMORY_URL_INDEX_H_
+
+namespace history {
+
+// The URL history source.
+// Holds portions of the URL database in memory in an indexed form.  Used to
+// quickly look up matching URLs for a given query string.  Used by
+// the HistoryURLProvider for inline autocomplete and to provide URL
+// matches to the omnibox.
+class InMemoryURLIndex {
+ public:
+  InMemoryURLIndex();
+  ~InMemoryURLIndex();
+};
+
+}  // namespace history
+
+#endif  // CHROME_BROWSER_HISTORY_IN_MEMORY_URL_INDEX_H_
diff --git a/chrome/browser/history/in_memory_url_index_unittest.cc b/chrome/browser/history/in_memory_url_index_unittest.cc
new file mode 100644
index 0000000..f5932ef
--- /dev/null
+++ b/chrome/browser/history/in_memory_url_index_unittest.cc
@@ -0,0 +1,22 @@
+// Copyright (c) 2010 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/in_memory_url_index.h"
+
+#include "base/scoped_ptr.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace history {
+
+class InMemoryURLIndexTest : public testing::Test {
+ protected:
+  scoped_ptr<InMemoryURLIndex> url_index_;
+};
+
+TEST_F(InMemoryURLIndexTest, Construction) {
+  url_index_.reset(new InMemoryURLIndex);
+  EXPECT_TRUE(url_index_.get());
+}
+
+}  // namespace history
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index ffbb693..6e7753a 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -1581,6 +1581,8 @@
         'browser/history/in_memory_database.h',
         'browser/history/in_memory_history_backend.cc',
         'browser/history/in_memory_history_backend.h',
+        'browser/history/in_memory_url_index.cc',
+        'browser/history/in_memory_url_index.h',
         'browser/history/page_usage_data.cc',
         'browser/history/page_usage_data.h',
         'browser/history/query_parser.cc',
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index 290fc4e..f126f52 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -842,6 +842,7 @@
         'browser/history/history_querying_unittest.cc',
         'browser/history/history_types_unittest.cc',
         'browser/history/history_unittest.cc',
+        'browser/history/in_memory_url_index_unittest.cc',
         'browser/history/query_parser_unittest.cc',
         'browser/history/snippet_unittest.cc',
         'browser/history/starred_url_database_unittest.cc',