Store the accumulated configuration from requestMediaKeySystemAccess().

media/blink/webcontentdecryptionmoduleaccess_impl.cc

Index: media/blink/webcontentdecryptionmoduleaccess_impl.cc
diff --git a/media/blink/webcontentdecryptionmoduleaccess_impl.cc b/media/blink/webcontentdecryptionmoduleaccess_impl.cc
index 9971829a3968cc6e4575ba9beb12fd0d8375d897..ec4e9194added92b6dcb5407db4501c732283a5a 100644
--- a/media/blink/webcontentdecryptionmoduleaccess_impl.cc
+++ b/media/blink/webcontentdecryptionmoduleaccess_impl.cc
@@ -25,17 +25,20 @@ static void CreateCdm(CdmFactory* cdm_factory,
 WebContentDecryptionModuleAccessImpl*
 WebContentDecryptionModuleAccessImpl::Create(
     const blink::WebString& key_system,
+    const blink::WebMediaKeySystemConfiguration& configuration,
     const blink::WebSecurityOrigin& security_origin,
     CdmFactory* cdm_factory) {
-  return new WebContentDecryptionModuleAccessImpl(key_system, security_origin,
-                                                  cdm_factory);
+  return new WebContentDecryptionModuleAccessImpl(key_system, configuration,
+                                                  security_origin, cdm_factory);
 }
 
 WebContentDecryptionModuleAccessImpl::WebContentDecryptionModuleAccessImpl(
     const blink::WebString& key_system,
+    const blink::WebMediaKeySystemConfiguration& configuration,
     const blink::WebSecurityOrigin& security_origin,
     CdmFactory* cdm_factory)
     : key_system_(key_system),
+      configuration_(configuration),
       security_origin_(security_origin),
       cdm_factory_(cdm_factory) {
 }
@@ -43,6 +46,11 @@ WebContentDecryptionModuleAccessImpl::WebContentDecryptionModuleAccessImpl(
 WebContentDecryptionModuleAccessImpl::~WebContentDecryptionModuleAccessImpl() {
 }
 
+blink::WebMediaKeySystemConfiguration
+WebContentDecryptionModuleAccessImpl::getConfiguration() {
+  return configuration_;
+}
+
 void WebContentDecryptionModuleAccessImpl::createContentDecryptionModule(
     blink::WebContentDecryptionModuleResult result) {
   // This method needs to run asynchronously, as it may need to load the CDM.