Add Origin Trials Test interface, rather than attaching trials directly to internals.

third_party/WebKit/Source/core/testing/Internals.cpp

Index: third_party/WebKit/Source/core/testing/Internals.cpp
diff --git a/third_party/WebKit/Source/core/testing/Internals.cpp b/third_party/WebKit/Source/core/testing/Internals.cpp
index d1c86963cca7d3e5375da5107164133beaa3df5e..398bf45faa24aadf4ae1182f6fd89aa6eeb2bc46 100644
--- a/third_party/WebKit/Source/core/testing/Internals.cpp
+++ b/third_party/WebKit/Source/core/testing/Internals.cpp
@@ -124,6 +124,7 @@
 #include "core/testing/LayerRect.h"
 #include "core/testing/LayerRectList.h"
 #include "core/testing/MockHyphenation.h"
+#include "core/testing/OriginTrialsTest.h"
 #include "core/testing/PrivateScriptTest.h"
 #include "core/testing/TypeConversions.h"
 #include "core/testing/UnionTypesTest.h"
@@ -1983,6 +1984,11 @@ UnionTypesTest* Internals::unionTypesTest() const
     return UnionTypesTest::create();
 }
 
+OriginTrialsTest* Internals::originTrialsTest() const
+{
+    return OriginTrialsTest::create();
+}
+
 Vector<String> Internals::getReferencedFilePaths() const
 {
     if (!frame())