Rename cdm_adapter to ppapi_cdm_adapter

media/cdm/ppapi/ppapi_cdm_adapter.gni

Index: media/cdm/ppapi/ppapi_cdm_adapter.gni
diff --git a/media/cdm/ppapi/cdm_adapter.gni b/media/cdm/ppapi/ppapi_cdm_adapter.gni
similarity index 86%
rename from media/cdm/ppapi/cdm_adapter.gni
rename to media/cdm/ppapi/ppapi_cdm_adapter.gni
index 3ffacfdf800c83e8295473b082552117900ea85b..cf9327cc02acade323e4e5205860c9abe1394813 100644
--- a/media/cdm/ppapi/cdm_adapter.gni
+++ b/media/cdm/ppapi/ppapi_cdm_adapter.gni
@@ -6,7 +6,7 @@
 # normal target and everything should work correctly. If GYP, you would instead
 # depend on media/media_cdm_adapter.gyp:cdmadapter which would in turn modify
 # your target with direct_dependent_settings.
-template("cdm_adapter") {
+template("ppapi_cdm_adapter") {
   # TODO(GYP) On Mac/Linux this should be a loadable_module.
   shared_library(target_name) {
     # Don't filter sources list again.
@@ -17,19 +17,20 @@ template("cdm_adapter") {
     libs = []
     forward_variables_from(invoker, "*")
 
+    defines += [ "USE_PPAPI_CDM_ADAPTER" ]
     sources += [
       "//media/cdm/api/content_decryption_module.h",
-      "//media/cdm/ppapi/cdm_adapter.cc",
-      "//media/cdm/ppapi/cdm_adapter.h",
+      "//media/cdm/cdm_wrapper.h",
       "//media/cdm/ppapi/cdm_file_io_impl.cc",
       "//media/cdm/ppapi/cdm_file_io_impl.h",
       "//media/cdm/ppapi/cdm_helpers.cc",
       "//media/cdm/ppapi/cdm_helpers.h",
       "//media/cdm/ppapi/cdm_logging.cc",
       "//media/cdm/ppapi/cdm_logging.h",
-      "//media/cdm/ppapi/cdm_wrapper.h",
       "//media/cdm/ppapi/linked_ptr.h",
-      "//media/cdm/ppapi/supported_cdm_versions.h",
+      "//media/cdm/ppapi/ppapi_cdm_adapter.cc",
+      "//media/cdm/ppapi/ppapi_cdm_adapter.h",
+      "//media/cdm/supported_cdm_versions.h",
     ]
     if (is_mac) {
       ldflags += [