Implement unprefixed EME APIs that match the latest draft

Update the API for WebContentDecryptionModule and
WebContentDecryptionModuleSession in order to implement
the latest EME API spec.

BUG=224786
TEST=Adding to API, no code using it. All existing EME tests pass.

Review URL: https://codereview.chromium.org/642583003

git-svn-id: svn://svn.chromium.org/blink/trunk@183627 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.cpp

@@ -605,6 +605,11 @@ void MediaKeySession::error(WebContentDecryptionModuleException exception, unsig
     error(errorCode, systemCode);
 }
 
+void MediaKeySession::expirationChanged(double updatedExpiryTimeInMS)
+{
+    // FIXME: Implement expiration attribute.
+}
+
 const AtomicString& MediaKeySession::interfaceName() const
 {
     return EventTargetNames::MediaKeySession;

third_party/WebKit/Source/modules/encryptedmedia/MediaKeySession.h

@@ -108,6 +108,7 @@ private:
     virtual void close() override;
     virtual void error(MediaKeyErrorCode, unsigned long systemCode) override;
     virtual void error(WebContentDecryptionModuleException, unsigned long systemCode, const WebString& errorMessage) override;
+    virtual void expirationChanged(double updatedExpiryTimeInMS) override;
 
     ScriptPromise generateRequestInternal(ScriptState*, const String& initDataType, PassRefPtr<ArrayBuffer> initData);
     ScriptPromise updateInternal(ScriptState*, PassRefPtr<ArrayBuffer> response);

third_party/WebKit/Source/platform/exported/WebContentDecryptionModuleSession.cpp

@@ -48,11 +48,26 @@ void WebContentDecryptionModuleSession::initializeNewSession(const WebString& in
     ReportError(result);
 }
 
+void WebContentDecryptionModuleSession::load(const WebString& sessionId, WebContentDecryptionModuleResult result)
+{
+    ReportError(result);
+}
+
 void WebContentDecryptionModuleSession::update(const unsigned char* response, size_t responseLength, WebContentDecryptionModuleResult result)
 {
     ReportError(result);
 }
 
+void WebContentDecryptionModuleSession::close(WebContentDecryptionModuleResult result)
+{
+    ReportError(result);
+}
+
+void WebContentDecryptionModuleSession::remove(WebContentDecryptionModuleResult result)
+{
+    ReportError(result);
+}
+
 void WebContentDecryptionModuleSession::release(WebContentDecryptionModuleResult result)
 {
     ReportError(result);

third_party/WebKit/public/platform/WebContentDecryptionModule.h

@@ -31,6 +31,7 @@
 #ifndef WebContentDecryptionModule_h
 #define WebContentDecryptionModule_h
 
+#include "public/platform/WebContentDecryptionModuleResult.h"
 #include "public/platform/WebContentDecryptionModuleSession.h"
 
 namespace blink {
@@ -41,6 +42,8 @@ public:
 
     // Must return non-null.
     virtual WebContentDecryptionModuleSession* createSession() = 0;
+
+    virtual void setServerCertificate(const unsigned char* certificate, size_t certificateLength, WebContentDecryptionModuleResult) = 0;
 };
 
 } // namespace blink

third_party/WebKit/public/platform/WebContentDecryptionModuleSession.h

@@ -56,6 +56,11 @@ public:
         virtual void error(MediaKeyErrorCode, unsigned long systemCode) = 0;
         virtual void error(WebContentDecryptionModuleException, unsigned long systemCode, const WebString& message) = 0;
 
+        // Called when the expiration time for the session changes.
+        // |updatedExpiryTimeInMS| is specified as the number of milliseconds
+        // since 01 January, 1970 UTC.
+        virtual void expirationChanged(double updatedExpiryTimeInMS) = 0;
+
     protected:
         virtual ~Client();
     };
@@ -71,7 +76,12 @@ public:
     virtual void release() = 0;
 
     virtual void initializeNewSession(const WebString& initDataType, const unsigned char* initData, size_t initDataLength, const WebString& sessionType, WebContentDecryptionModuleResult);
+    virtual void load(const WebString& sessionId, WebContentDecryptionModuleResult);
     virtual void update(const unsigned char* response, size_t responseLength, WebContentDecryptionModuleResult);
+    virtual void close(WebContentDecryptionModuleResult);
+    virtual void remove(WebContentDecryptionModuleResult);
+
+    // FIXME: Remove this method once the new methods are implemented in Chromium.
     virtual void release(WebContentDecryptionModuleResult);
 };