Added unittests for SystemLogUploader.

chrome/browser/chromeos/policy/system_log_upload_job.h

Index: chrome/browser/chromeos/policy/system_log_upload_job.h
diff --git a/chrome/browser/chromeos/policy/system_log_upload_job.h b/chrome/browser/chromeos/policy/system_log_upload_job.h
index 93e6472b5b357f5ba77022eba3299d8da4615941..d1313a2880a2309cbd48223bd5ce0dfda1d2a7cb 100644
--- a/chrome/browser/chromeos/policy/system_log_upload_job.h
+++ b/chrome/browser/chromeos/policy/system_log_upload_job.h
@@ -35,11 +35,22 @@ class SystemLogUploadJob : public UploadJob::Delegate {
                                                   UploadJob::Delegate*) = 0;
   };
 
+  // Status of the job.
+  enum Status {
+    NOT_STARTED = 0,  // The job is ready to be started.
+    RUNNING,          // The job was started and is running now.
+    SUCCEEDED,        // The job finished running successfully.
+    FAILED,           // The job finished running with failure.
+  };
+
   explicit SystemLogUploadJob(scoped_ptr<Delegate> syslog_delegate);
 
   ~SystemLogUploadJob() override;
 
-  // Starts system log upload.
+  // Get the current job status.
+  Status status() const { return status_; }
+
+  // Starts the system log upload.
   virtual void Run(const base::Closure& succeeded_callback,
                    const base::Closure& failed_callback);
 
@@ -52,7 +63,11 @@ class SystemLogUploadJob : public UploadJob::Delegate {
   void StartLoadSystemLogs();
 
   // Callback invoked when system logs are successfully loaded,
-  // starts system log upload.
+
+  // The current status of this job.
+  Status status_;
+
+  // starts the system log upload.
   void StartUploadSystemLogs(const SystemLogs* system_logs);
 
   // The URL to which the POST request should be directed.