Replace DeviceFiles::LicenseState with CdmOfflineLicenseState

[ Merge of http://go/wvgerrit/123003 ]

Bug: 160006474
Test: WV unit/integration tests
Change-Id: Ied813f58405fcac44f0543f715ab2175129bbf9c

libwvdrmengine/cdm/core/include/cdm_session.h

@@ -237,7 +237,7 @@ class CdmSession {
 
   CdmResponseType StoreLicense();
 
-  bool StoreLicense(DeviceFiles::LicenseState state, int* error_detail);
+  bool StoreLicense(CdmOfflineLicenseState state, int* error_detail);
 
   bool UpdateUsageInfo();
 

libwvdrmengine/cdm/core/include/device_files.h

@@ -25,12 +25,6 @@ class FileSystem;
 
 class DeviceFiles {
  public:
-  typedef enum {
-    kLicenseStateActive,
-    kLicenseStateReleasing,
-    kLicenseStateUnknown,
-  } LicenseState;
-
   typedef enum {
     kCertificateValid,
     kCertificateExpired,
@@ -76,7 +70,7 @@ class DeviceFiles {
   // license file.  License data is uniquely keyed using |key_set_id|.
   struct CdmLicenseData {
     std::string key_set_id;
-    LicenseState state;
+    CdmOfflineLicenseState state;
     CdmInitData pssh_data;
     // License request / response.
     CdmKeyMessage license_request;