WebCrypto: Add more operations to the platform API.

Tools/DumpRenderTree/chromium/TestRunner/src/MockWebCrypto.cpp

Index: Tools/DumpRenderTree/chromium/TestRunner/src/MockWebCrypto.cpp
diff --git a/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebCrypto.cpp b/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebCrypto.cpp
index 56a46d0bccd1884aada261cac9baf3e6a0d37c2c..4b6138d1ce9806c8ff977b36c021042521732ec0 100644
--- a/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebCrypto.cpp
+++ b/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebCrypto.cpp
@@ -108,6 +108,21 @@ MockWebCrypto* MockWebCrypto::get()
     return &crypto;
 }
 
+void MockWebCrypto::encrypt(const WebKit::WebCryptoAlgorithm& algorithm, const WebKit::WebCryptoKey& key, WebKit::WebCryptoOperationResult& result)
+{
+    result.initializationSucceeded(new MockCryptoOperation(algorithm, result));
+}
+
+void MockWebCrypto::decrypt(const WebKit::WebCryptoAlgorithm& algorithm, const WebKit::WebCryptoKey& key, WebKit::WebCryptoOperationResult& result)
+{
+    result.initializationSucceeded(new MockCryptoOperation(algorithm, result));
+}
+
+void MockWebCrypto::sign(const WebKit::WebCryptoAlgorithm& algorithm, const WebKit::WebCryptoKey& key, WebKit::WebCryptoOperationResult& result)
+{
+    result.initializationSucceeded(new MockCryptoOperation(algorithm, result));
+}
+
 void MockWebCrypto::digest(const WebKit::WebCryptoAlgorithm& algorithm, WebKit::WebCryptoOperationResult& result)
 {
     result.initializationSucceeded(new MockCryptoOperation(algorithm, result));