Add Origin Trial layout tests for IDL bindings

third_party/WebKit/Source/core/testing/OriginTrialsTestPartial.idl

Index: third_party/WebKit/Source/core/testing/OriginTrialsTestPartial.idl
diff --git a/third_party/WebKit/Source/core/testing/OriginTrialsTestPartial.idl b/third_party/WebKit/Source/core/testing/OriginTrialsTestPartial.idl
index 7d929b775a210c189c03c00e43394bfaffcad4b4..bd4fb366418f1705e3a817a98c7a474f5b36304f 100644
--- a/third_party/WebKit/Source/core/testing/OriginTrialsTestPartial.idl
+++ b/third_party/WebKit/Source/core/testing/OriginTrialsTestPartial.idl
@@ -9,7 +9,14 @@ partial interface OriginTrialsTest {
     const unsigned short CONSTANT_PARTIAL = 2;
     readonly attribute boolean normalAttributePartial;
     static readonly attribute boolean staticAttributePartial;
-    boolean methodPartial();
+    boolean normalMethodPartial();
     static boolean staticMethodPartial();
-};
 
+    // These are only available in a secure context.
+    // TODO(crbug.com/695123): Add [SecureContext] extended attribute when fixed
+    //   to work with [OriginTrialEnabled]
+    readonly attribute boolean secureAttributePartial;
+    static readonly attribute boolean secureStaticAttributePartial;
+    boolean secureMethodPartial();
+    static boolean secureStaticMethodPartial();
+};