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 789a0960f02b6d3c1a00a16113fdd3e36d925725..980ae8463d0d89955b4d87fdadab0d52973d5d74 100644
--- a/chrome/browser/chromeos/policy/system_log_upload_job.h
+++ b/chrome/browser/chromeos/policy/system_log_upload_job.h
@@ -16,6 +16,12 @@ namespace policy {
 // Class responsible for doing a single system log upload.
 class SystemLogUploadJob : public UploadJob::Delegate {
  public:
+  // Http header constants to upload.
+  static const char* const kNameFieldTemplate;
+  static const char* const kFileTypeHeaderName;
+  static const char* const kFileTypeLogFile;
+  static const char* const kContentTypePlainText;
+
   // Structure that stores the system log files as pairs: (file name, loaded
   // from the disk binary file data).
   typedef std::vector<std::pair<std::string, std::string>> SystemLogs;
@@ -45,8 +51,8 @@ class SystemLogUploadJob : public UploadJob::Delegate {
   ~SystemLogUploadJob() override;
 
   // Starts the system log upload, could be called only once for every created
-  // upload job.
-  void Run();
+  // upload job, can be overridden for testing.
+  virtual void Run();
 
  private:
   // UploadJob::Delegate: