Remove unused methods in WebContentDecryptionModuleSessionImpl

BUG=none
TEST=compiles

Review URL: https://codereview.chromium.org/907523003

Cr-Commit-Position: refs/heads/master@{#315366}

media/blink/webcontentdecryptionmodulesession_impl.cc

@@ -93,25 +93,6 @@ blink::WebString WebContentDecryptionModuleSessionImpl::sessionId() const {
   return blink::WebString::fromUTF8(session_id_);
 }
 
-void WebContentDecryptionModuleSessionImpl::initializeNewSession(
-    const blink::WebString& init_data_type,
-    const uint8* init_data,
-    size_t init_data_length) {
-  // TODO(jrummell): Remove once blink updated.
-  NOTREACHED();
-}
-
-void WebContentDecryptionModuleSessionImpl::update(const uint8* response,
-                                                   size_t response_length) {
-  // TODO(jrummell): Remove once blink updated.
-  NOTREACHED();
-}
-
-void WebContentDecryptionModuleSessionImpl::release() {
-  // TODO(jrummell): Remove once blink updated.
-  NOTREACHED();
-}
-
 void WebContentDecryptionModuleSessionImpl::initializeNewSession(
     const blink::WebString& init_data_type,
     const uint8* init_data,
@@ -222,11 +203,6 @@ void WebContentDecryptionModuleSessionImpl::remove(
           result, adapter_->GetKeySystemUMAPrefix() + kRemoveSessionUMAName)));
 }
 
-void WebContentDecryptionModuleSessionImpl::release(
-    blink::WebContentDecryptionModuleResult result) {
-  close(result);
-}
-
 void WebContentDecryptionModuleSessionImpl::OnSessionMessage(
     MediaKeys::MessageType message_type,
     const std::vector<uint8>& message) {

media/blink/webcontentdecryptionmodulesession_impl.h

@@ -32,12 +32,6 @@ class WebContentDecryptionModuleSessionImpl
   virtual void setClientInterface(Client* client);
   virtual blink::WebString sessionId() const;
 
-  // TODO(jrummell): Remove the next 3 methods once blink updated.
-  virtual void initializeNewSession(const blink::WebString& mime_type,
-                                    const uint8* init_data,
-                                    size_t init_data_length);
-  virtual void update(const uint8* response, size_t response_length);
-  virtual void release();
   virtual void initializeNewSession(
       const blink::WebString& init_data_type,
       const uint8* init_data,
@@ -52,9 +46,6 @@ class WebContentDecryptionModuleSessionImpl
   virtual void close(blink::WebContentDecryptionModuleResult result);
   virtual void remove(blink::WebContentDecryptionModuleResult result);
 
-  // TODO(jrummell): Remove the next method once blink updated.
-  virtual void release(blink::WebContentDecryptionModuleResult result);
-
   // Callbacks.
   void OnSessionMessage(MediaKeys::MessageType message_type,
                         const std::vector<uint8>& message);