Encrypted Media: Implement IPC based SetCdm().

content/renderer/media/webcontentdecryptionmodule_impl.cc

Index: content/renderer/media/webcontentdecryptionmodule_impl.cc
diff --git a/content/renderer/media/webcontentdecryptionmodule_impl.cc b/content/renderer/media/webcontentdecryptionmodule_impl.cc
index 0c4a901f74699a0c95c4910edb4624297f445a86..75ac846f8f21bc960593088de20257209b053488 100644
--- a/content/renderer/media/webcontentdecryptionmodule_impl.cc
+++ b/content/renderer/media/webcontentdecryptionmodule_impl.cc
@@ -50,6 +50,7 @@ WebContentDecryptionModuleImpl* WebContentDecryptionModuleImpl::Create(
   }
 
   scoped_refptr<CdmSessionAdapter> adapter(new CdmSessionAdapter());
+
   if (!adapter->Initialize(
 #if defined(ENABLE_PEPPER_CDMS)
           base::Bind(&PepperCdmWrapperImpl::Create, frame),
@@ -63,8 +64,7 @@ WebContentDecryptionModuleImpl* WebContentDecryptionModuleImpl::Create(
 
 WebContentDecryptionModuleImpl::WebContentDecryptionModuleImpl(
     scoped_refptr<CdmSessionAdapter> adapter)
-    : adapter_(adapter) {
-}
+    : adapter_(adapter) {}
 
 WebContentDecryptionModuleImpl::~WebContentDecryptionModuleImpl() {
 }
@@ -80,4 +80,10 @@ media::Decryptor* WebContentDecryptionModuleImpl::GetDecryptor() {
   return adapter_->GetDecryptor();
 }
 
+#if defined(OS_ANDROID)
+int WebContentDecryptionModuleImpl::GetCdmId() const {
+  return adapter_->GetCdmId();
+}
+#endif  // defined(OS_ANDROID)
+
 }  // namespace content