Add CdmService to keep track of CDMs

chrome/browser/component_updater/widevine_cdm_component_installer.cc

Index: chrome/browser/component_updater/widevine_cdm_component_installer.cc
diff --git a/chrome/browser/component_updater/widevine_cdm_component_installer.cc b/chrome/browser/component_updater/widevine_cdm_component_installer.cc
index 68c6d589cd267ddb0b29d9ecfc3c07431cc4d6f3..90f89aeab8d944fe479fbb68f8313727ed7fa7f4 100644
--- a/chrome/browser/component_updater/widevine_cdm_component_installer.cc
+++ b/chrome/browser/component_updater/widevine_cdm_component_installer.cc
@@ -21,6 +21,7 @@
 #include "base/strings/string16.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
+#include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "build/build_config.h"
@@ -31,6 +32,7 @@
 #include "components/version_info/version_info.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/plugin_service.h"
+#include "content/public/common/content_decryption_module_service.h"
 #include "content/public/common/pepper_plugin_info.h"
 #include "media/cdm/supported_cdm_versions.h"
 #include "third_party/widevine/cdm/widevine_cdm_common.h"
@@ -38,6 +40,7 @@
 #include "widevine_cdm_version.h"  // In SHARED_INTERMEDIATE_DIR. NOLINT
 
 using content::BrowserThread;
+using content::ContentDecryptionModuleService;
 using content::PluginService;
 
 namespace component_updater {
@@ -108,12 +111,10 @@ base::FilePath GetPlatformDirectory(const base::FilePath& base_path) {
   return base_path.AppendASCII("_platform_specific").AppendASCII(platform_arch);
 }
 
-bool MakeWidevineCdmPluginInfo(
-    const base::Version& version,
-    const base::FilePath& path,
-    const std::vector<base::string16>& additional_param_names,
-    const std::vector<base::string16>& additional_param_values,
-    content::PepperPluginInfo* plugin_info) {
+bool MakeWidevineCdmPluginInfo(const base::Version& version,
+                               const base::FilePath& path,
+                               base::string16 codecs,
+                               content::PepperPluginInfo* plugin_info) {
   if (!version.IsValid() ||
       version.components().size() !=
           static_cast<size_t>(kWidevineCdmVersionNumComponents)) {
@@ -133,8 +134,10 @@ bool MakeWidevineCdmPluginInfo(
       kWidevineCdmPluginMimeType,
       kWidevineCdmPluginExtension,
       kWidevineCdmPluginMimeTypeDescription);
-  widevine_cdm_mime_type.additional_param_names = additional_param_names;
-  widevine_cdm_mime_type.additional_param_values = additional_param_values;
+  widevine_cdm_mime_type.additional_param_names.push_back(
+      base::ASCIIToUTF16(kCdmSupportedCodecsParamName));
+  widevine_cdm_mime_type.additional_param_values.push_back(codecs);
+
   plugin_info->mime_types.push_back(widevine_cdm_mime_type);
   plugin_info->permissions = kWidevineCdmPluginPermissions;
 
@@ -185,34 +188,25 @@ bool IsCompatibleWithChrome(const base::DictionaryValue& manifest) {
                                    media::IsSupportedCdmHostVersion);
 }
 
-void GetAdditionalParams(const base::DictionaryValue& manifest,
-                         std::vector<base::string16>* additional_param_names,
-                         std::vector<base::string16>* additional_param_values) {
+base::string16 GetCodecs(const base::DictionaryValue& manifest) {
   base::string16 codecs;
   if (manifest.GetString(kCdmCodecsListName, &codecs)) {
     DLOG_IF(WARNING, codecs.empty())
         << "Widevine CDM component manifest has empty codecs list";
-    additional_param_names->push_back(
-        base::ASCIIToUTF16(kCdmSupportedCodecsParamName));
-    additional_param_values->push_back(codecs);
-  } else {
-    DLOG(WARNING) << "Widevine CDM component manifest is missing codecs";
+    return codecs;
   }
+
+  DLOG(WARNING) << "Widevine CDM component manifest is missing codecs";
+  return base::string16();
 }
 
 void RegisterWidevineCdmWithChrome(const base::Version& cdm_version,
                                    const base::FilePath& adapter_install_path,
                                    scoped_ptr<base::DictionaryValue> manifest) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  std::vector<base::string16> additional_param_names;
-  std::vector<base::string16> additional_param_values;
-  GetAdditionalParams(
-      *manifest, &additional_param_names, &additional_param_values);
+  base::string16 codecs = GetCodecs(*manifest);
   content::PepperPluginInfo plugin_info;
-  if (!MakeWidevineCdmPluginInfo(cdm_version,
-                                 adapter_install_path,
-                                 additional_param_names,
-                                 additional_param_values,
+  if (!MakeWidevineCdmPluginInfo(cdm_version, adapter_install_path, codecs,
                                  &plugin_info)) {
     return;
   }
@@ -224,6 +218,21 @@ void RegisterWidevineCdmWithChrome(const base::Version& cdm_version,
   // update their plugin list caches.
   PluginService::GetInstance()->RefreshPlugins();
   PluginService::GetInstance()->PurgePluginListCache(NULL, false);
+
+  // Also register Widevine with the ContentDecryptionModuleService. It needs
+  // |path| to be the actual Widevine library, not the adapter, so adjust as
+  // necessary. It will be in the same directory as the installed adapter.
+  // TODO(crbug.com/469202). Add support for initDataTypes in the manifest,
+  // and then derive |supported_init_data_types| from it.
+  std::vector<base::string16> supported_codecs = base::SplitString(
+      codecs,
+      base::ASCIIToUTF16(std::string(1, kCdmSupportedCodecsValueDelimiter)),
+      base::KEEP_WHITESPACE, base::SPLIT_WANT_ALL);
+  std::vector<base::string16> supported_init_data_types;
+  ContentDecryptionModuleService::GetInstance()->Register(
+      kWidevineKeySystem, cdm_version.GetString(),
+      adapter_install_path.DirName().AppendASCII(kWidevineCdmFileName),
+      supported_codecs, supported_init_data_types);
 }
 
 }  // namespace