media: Use platform specific folders for CDMs

media/cdm/external_clear_key_test_helper.cc

Index: media/cdm/external_clear_key_test_helper.cc
diff --git a/media/cdm/external_clear_key_test_helper.cc b/media/cdm/external_clear_key_test_helper.cc
index 1a2a15ea2ea7a93ad2cc5223e8e18866c8a7e603..3b5e944cd97b8c6281f0ed99bd64cb61a397dfb5 100644
--- a/media/cdm/external_clear_key_test_helper.cc
+++ b/media/cdm/external_clear_key_test_helper.cc
@@ -9,6 +9,7 @@
 #include "base/path_service.h"
 #include "build/build_config.h"
 #include "media/cdm/api/content_decryption_module.h"
+#include "media/cdm/cdm_paths.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace media {
@@ -19,6 +20,8 @@ namespace media {
 #define STRINGIFY(X) #X
 #define MAKE_STRING(X) STRINGIFY(X)
 
+const char kClearKeyCdmBaseDirectory[] = "ClearKeyCdm";
+
 // File name of the External ClearKey CDM on different platforms.
 const base::FilePath::CharType kExternalClearKeyCdmFileName[] =
 #if defined(OS_MACOSX)
@@ -40,10 +43,12 @@ ExternalClearKeyTestHelper::~ExternalClearKeyTestHelper() {
 void ExternalClearKeyTestHelper::LoadLibrary() {
   // Determine the location of the CDM. It is expected to be in the same
   // directory as the current module.
-  base::FilePath current_module_dir;
-  ASSERT_TRUE(PathService::Get(base::DIR_MODULE, &current_module_dir));
+  base::FilePath cdm_base_path;
+  ASSERT_TRUE(PathService::Get(base::DIR_MODULE, &cdm_base_path));
+  cdm_base_path = cdm_base_path.Append(
+      GetPlatformSpecificDirectory(kClearKeyCdmBaseDirectory));
   library_path_ =
-      current_module_dir.Append(base::FilePath(kExternalClearKeyCdmFileName));
+      cdm_base_path.Append(base::FilePath(kExternalClearKeyCdmFileName));
   ASSERT_TRUE(base::PathExists(library_path_)) << library_path_.value();
 
   // Now load the CDM library.