AU: Don't allow stateful /etc/lsb-release override in normal boot mode...

omaha_request_params.h

Index: omaha_request_params.h
diff --git a/omaha_request_params.h b/omaha_request_params.h
index 075ed3fa92163828bb32b95ca35168e61a568850..cc6a26a0d835136338a2ba610a41216f6ab71c22 100644
--- a/omaha_request_params.h
+++ b/omaha_request_params.h
@@ -89,6 +89,9 @@ class OmahaRequestDeviceParams : public OmahaRequestParams {
   // Force build type for testing purposes.
   void SetBuildTypeOfficial(bool is_official);
 
+  // Force boot mode for testing purposes.
+  void SetBootModeNormal(bool is_normal);
+
  private:
   FRIEND_TEST(OmahaRequestDeviceParamsTest, IsValidTrackTest);
 
@@ -100,6 +103,10 @@ class OmahaRequestDeviceParams : public OmahaRequestParams {
   // Returns true if this is an official build, false otherwise.
   bool IsOfficialBuild() const;
 
+  // Returns true if the current boot mode is normal, false other (e.g. dev or
+  // recovery mode).
+  bool IsNormalBootMode() const;
+
   // Returns true if |track| is a valid track, false otherwise. This method
   // restricts the track value only if the image is official (see
   // IsOfficialBuild).
@@ -128,6 +135,10 @@ class OmahaRequestDeviceParams : public OmahaRequestParams {
   bool force_build_type_;
   bool forced_official_build_;
 
+  // Force boot mode for testing purposes.
+  bool force_boot_mode_;
+  bool forced_normal_boot_;
+
   DISALLOW_COPY_AND_ASSIGN(OmahaRequestDeviceParams);
 };