WebCrypto: Add more operations to the platform API.

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

Index: Tools/DumpRenderTree/chromium/TestRunner/src/MockWebCrypto.h
diff --git a/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebCrypto.h b/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebCrypto.h
index be1f3d911cc3e87a904f96cfac77dbe5722679d8..187d7965e54d2dd6471eef3b174e031a66a98414 100644
--- a/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebCrypto.h
+++ b/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebCrypto.h
@@ -40,6 +40,9 @@ class MockWebCrypto : public WebKit::WebCrypto {
 public:
     static MockWebCrypto* get();
 
+    virtual void encrypt(const WebKit::WebCryptoAlgorithm&, const WebKit::WebCryptoKey&, WebKit::WebCryptoOperationResult&) OVERRIDE;
+    virtual void decrypt(const WebKit::WebCryptoAlgorithm&, const WebKit::WebCryptoKey&, WebKit::WebCryptoOperationResult&) OVERRIDE;
+    virtual void sign(const WebKit::WebCryptoAlgorithm&, const WebKit::WebCryptoKey&, WebKit::WebCryptoOperationResult&) OVERRIDE;
     virtual void digest(const WebKit::WebCryptoAlgorithm&, WebKit::WebCryptoOperationResult&) OVERRIDE;
     virtual void importKey(WebKit::WebCryptoKeyFormat, const unsigned char* keyData, size_t keyDataSize, const WebKit::WebCryptoAlgorithm&, bool extractable, WebKit::WebCryptoKeyUsageMask, WebKit::WebCryptoKeyOperationResult&) OVERRIDE;
 };