Conditionally build support for Pepper-based CDMs.

third_party/widevine/cdm/widevine_cdm_common.h

Index: third_party/widevine/cdm/widevine_cdm_common.h
diff --git a/third_party/widevine/cdm/widevine_cdm_common.h b/third_party/widevine/cdm/widevine_cdm_common.h
index 82ce0c62007128199446019739c708002c343722..144aacb621028ed2251ce6292bf95c0629f12f83 100644
--- a/third_party/widevine/cdm/widevine_cdm_common.h
+++ b/third_party/widevine/cdm/widevine_cdm_common.h
@@ -19,9 +19,11 @@ const char kWidevineCdmDisplayName[] = "Widevine Content Decryption Module";
 // Will be parsed as HTML.
 const char kWidevineCdmDescription[] =
     "Enables Widevine licenses for playback of HTML audio/video content.";
-const char kWidevineCdmPluginMimeType[] ="application/x-ppapi-widevine-cdm";
+#if defined(ENABLE_PEPPER_CDMS)
+const char kWidevineCdmPluginMimeType[] = "application/x-ppapi-widevine-cdm";
 const char kWidevineCdmPluginMimeTypeDescription[] =
     "Widevine Content Decryption Module";
+#endif
 
 // File name of the CDM on different platforms.
 const base::FilePath::CharType kWidevineCdmFileName[] =
@@ -33,6 +35,7 @@ const base::FilePath::CharType kWidevineCdmFileName[] =
     FILE_PATH_LITERAL("libwidevinecdm.so");
 #endif
 
+#if defined(ENABLE_PEPPER_CDMS)
 // File name of the adapter on different platforms.
 const base::FilePath::CharType kWidevineCdmAdapterFileName[] =
 #if defined(OS_MACOSX)
@@ -42,8 +45,10 @@ const base::FilePath::CharType kWidevineCdmAdapterFileName[] =
 #else  // OS_LINUX, etc.
     FILE_PATH_LITERAL("libwidevinecdmadapter.so");
 #endif
+#endif  // defined(ENABLE_PEPPER_CDMS)
+
 
-#if defined(OS_MACOSX) || defined(OS_WIN)
+#if defined(ENABLE_PEPPER_CDMS) && (defined(OS_MACOSX) || defined(OS_WIN))
 // CDM is installed by the component installer instead of the Chrome installer.
 #define WIDEVINE_CDM_IS_COMPONENT
 #endif