Remove the USE(OS_RANDOMNESS) guard.

Source/core/page/Crypto.cpp

Index: Source/core/page/Crypto.cpp
diff --git a/Source/core/page/Crypto.cpp b/Source/core/page/Crypto.cpp
index a6aca2fd4920898b204a52c40f5f7e9acb80f044..2bc7fc94b1517c889ba5e7a93f631085d774460f 100644
--- a/Source/core/page/Crypto.cpp
+++ b/Source/core/page/Crypto.cpp
@@ -59,7 +59,6 @@ Crypto::Crypto()
 
 void Crypto::getRandomValues(ArrayBufferView* array, ExceptionCode& ec)
 {
-#if USE(OS_RANDOMNESS)
     if (!array || !isIntegerArray(array)) {
         ec = TYPE_MISMATCH_ERR;
         return;
@@ -69,10 +68,6 @@ void Crypto::getRandomValues(ArrayBufferView* array, ExceptionCode& ec)
         return;
     }
     cryptographicallyRandomValues(array->baseAddress(), array->byteLength());
-#else
-    ASSERT_UNUSED(array, array);
-    ec = NOT_SUPPORTED_ERR;
-#endif
 }
 
 }