Parse /etc/lsb-release only once on ChromeOS

chrome/browser/chromeos/system_logs/lsb_release_log_source.h

Index: chrome/browser/chromeos/system_logs/lsb_release_log_source.h
diff --git a/chrome/browser/chromeos/system_logs/lsb_release_log_source.h b/chrome/browser/chromeos/system_logs/lsb_release_log_source.h
index 146c7532b3f553b798ca7c0fddd3383fa1924c32..29a071a541501d95eed3b8c49cbc86844b24d1fe 100644
--- a/chrome/browser/chromeos/system_logs/lsb_release_log_source.h
+++ b/chrome/browser/chromeos/system_logs/lsb_release_log_source.h
@@ -17,20 +17,7 @@ class LsbReleaseLogSource : public SystemLogsSource {
   // SystemLogsSource override.
   virtual void Fetch(const SysLogsSourceCallback& callback) OVERRIDE;
 
-  // For testing. Parses a key=value pairs from a string. There can be only one
-  // pair per line and the value must confine to a single line.
-  // Example:
-  // foo = 1
-  // bar = 2
-  // Note: it automatically strips whitespaces from the front and back of values
-  // and keys.
-  static void ParseLSBRelease(const std::string& lsb_data,
-                              SystemLogsResponse* response);
-
  private:
-  // Gets the info from the /etc/lsb-release and parses it
-  static void ReadLSBRelease(SystemLogsResponse* response);
-
   DISALLOW_COPY_AND_ASSIGN(LsbReleaseLogSource);
 };