Seculative resource prefetching for URLs CL.

chrome/browser/predictors/resource_prefetch_common.h

Index: chrome/browser/predictors/resource_prefetch_common.h
diff --git a/chrome/browser/predictors/resource_prefetch_common.h b/chrome/browser/predictors/resource_prefetch_common.h
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index 0000000000000000000000000000000000000000..9a4614e2cd07c15a32e1a0979dc6e9b63e0b1d43
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+++ b/chrome/browser/predictors/resource_prefetch_common.h
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+// 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.
+
+#ifndef CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_COMMON_H_
+#define CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_COMMON_H_
+#pragma once
+
+#include "base/time.h"
+#include "googleurl/src/gurl.h"
+
+namespace content {
+class WebContents;
+}
+
+namespace predictors {
+
+// Represents a single navigation for a render view.
+struct NavigationID {
+  NavigationID();
+  NavigationID(const NavigationID& other);
+  explicit NavigationID(const content::WebContents& web_contents);
+  bool operator<(const NavigationID& rhs) const;
+  bool operator==(const NavigationID& rhs) const;
+
+  bool IsSameRenderer(const NavigationID& other) const;
+
+  int render_process_id_;
+  int render_view_id_;
+  GURL main_frame_url_;
+
+  // NOTE: Even though we store the time ticks here, it is not used during
+  // comparison of two NavigationIDs because it cannot always be determined
+  // correctly.
+  base::TimeTicks creation_time_;
+};
+
+}  // namespace predictors
+
+#endif  // CHROME_BROWSER_PREDICTORS_RESOURCE_PREFETCH_COMMON_H_