Split SystemAccess into TimezoneSettings, StatisticsProvider, and SyslogsProvider.

SystemAccess contained three separate things: timezone settings,
statistics provider, and syslogs provider. We should have them
in separate classes.

This patch touches many files but changes are mechanical. No logic
changes introduced.

BUG=none
TEST=chrome builds and try bots pass

Review URL: http://codereview.chromium.org/7324017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@91971 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 56 insertions, 0 deletions

diff --git a/chrome/browser/chromeos/system/syslogs_provider.h b/chrome/browser/chromeos/system/syslogs_provider.h
new file mode 100644
index 0000000..ecb92b6
--- /dev/null
+++ b/chrome/browser/chromeos/system/syslogs_provider.h
@@ -0,0 +1,56 @@
+// Copyright (c) 2011 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_CHROMEOS_SYSTEM_SYSLOGS_PROVIDER_H_
+#define CHROME_BROWSER_CHROMEOS_SYSTEM_SYSLOGS_PROVIDER_H_
+#pragma once
+
+#include <string>
+
+#include "base/callback_old.h"
+#include "content/browser/cancelable_request.h"
+
+class CancelableRequestConsumerBase;
+
+namespace chromeos {
+namespace system {
+
+typedef std::map<std::string, std::string> LogDictionaryType;
+
+// This interface provides access to Chrome OS syslogs.
+class SyslogsProvider : public CancelableRequestProvider {
+ public:
+  static SyslogsProvider* GetInstance();
+
+  // The callback type used with RequestSyslogs().
+  typedef Callback2<LogDictionaryType*,
+                    std::string*>::Type ReadCompleteCallback;
+
+  // Used to specify the syslogs context with RequestSyslogs().
+  enum SyslogsContext {
+    SYSLOGS_FEEDBACK,
+    SYSLOGS_SYSINFO,
+    SYSLOGS_NETWORK,
+    SYSLOGS_DEFAULT
+  };
+
+  // Request system logs. Read happens on the FILE thread and callback is
+  // called on the thread this is called from (via ForwardResult).
+  // Logs are owned by callback function (use delete when done with them).
+  // Returns the request handle. Call CancelRequest(Handle) to cancel
+  // the request before the callback gets called.
+  virtual Handle RequestSyslogs(
+      bool compress_logs,
+      SyslogsContext context,
+      CancelableRequestConsumerBase* consumer,
+      ReadCompleteCallback* callback) = 0;
+
+ protected:
+  virtual ~SyslogsProvider() {}
+};
+
+}  // namespace system
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_SYSTEM_SYSLOGS_PROVIDER_H_