Expose crypto.getRandomValues() to workers.

Source/modules/crypto/RandomSource.h

Index: Source/modules/crypto/RandomSource.h
diff --git a/Source/modules/crypto/SubtleCrypto.h b/Source/modules/crypto/RandomSource.h
similarity index 85%
copy from Source/modules/crypto/SubtleCrypto.h
copy to Source/modules/crypto/RandomSource.h
index a7550052758fb678221f9c7be4f2209562325cdc..1aaac614a92fd848c4b223d60439685b1db6081e 100644
--- a/Source/modules/crypto/SubtleCrypto.h
+++ b/Source/modules/crypto/RandomSource.h
@@ -26,8 +26,8 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef SubtleCrypto_h
-#define SubtleCrypto_h
+#ifndef RandomSource_h
+#define RandomSource_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "wtf/Forward.h"
@@ -38,12 +38,14 @@ namespace WebCore {
 
 typedef int ExceptionCode;
 
-class SubtleCrypto : public ScriptWrappable, public RefCounted<SubtleCrypto> {
+class RandomSource : public ScriptWrappable, public RefCounted<RandomSource> {
 public:
-    static PassRefPtr<SubtleCrypto> create() { return adoptRef(new SubtleCrypto()); }
+    static PassRefPtr<RandomSource> create() { return adoptRef(new RandomSource()); }
 
-private:
-    SubtleCrypto();
+    void getRandomValues(ArrayBufferView*, ExceptionCode&);
+
+protected:
+    RandomSource();
 };
 
 }