Use no-op statistics collecting object for WebView

components/data_reduction_proxy/core/browser/data_reduction_proxy_statistics.h

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_statistics.h
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_statistics.h b/components/data_reduction_proxy/core/browser/data_reduction_proxy_statistics.h
new file mode 100644
index 0000000000000000000000000000000000000000..1c82333de55f889575fdc5a9471d729362f57909
--- /dev/null
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_statistics.h
@@ -0,0 +1,39 @@
+// Copyright 2014 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 COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_STATISTICS_H_
+#define COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_STATISTICS_H_
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/values.h"
+
+namespace base {
+class ListValue;
+}
+
+namespace data_reduction_proxy {
+// This class collects the statistics of data reduction proxy. The statistics

[bengr, 2014/10/17 23:40:27]

Add a blank line above.

[hush (inactive), 2014/10/18 01:54:29]

Done.

+// are stored in a name-value pair map. It has a default no-op implementation.
+class DataReductionProxyStatistics {
+ public:
+  DataReductionProxyStatistics();
+  virtual ~DataReductionProxyStatistics();
+
+  // Gets the int64 stats corresponding to |stats_name|.
+  virtual int64 GetInt64(const char* stats_name);
+  // Sets the int64 stats corresponding to |stats_name|.

[bengr, 2014/10/17 23:40:27]

Add a blank line between each of these methods.

[hush (inactive), 2014/10/18 01:54:29]

Done.

+  virtual void SetInt64(const char* stats_name, int64 stats_value);
+  // Gets the list value corresponding to |stats_name|.
+  virtual base::ListValue* GetList(const char* stats_name);
+  // Writes the stats to some persistence object depending on implementation.
+  virtual void WriteStats();
+
+ private:
+  scoped_ptr<base::ListValue> list_value_;
+};
+
+}  // namespace data_reduction_proxy
+
+#endif  // COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_STATISTICS_H_