Add extensions to disable client arrays.

Chrome doesn't allow any client data in its command buffer.  Add an ANGLE
extension to request a context that disallows client data.

BUG=602737

Change-Id: If9d5144daea3c629a73562396000df59a671aad3
Reviewed-on: https://chromium-review.googlesource.com/441986
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
diff --git a/src/libANGLE/validationES_unittest.cpp b/src/libANGLE/validationES_unittest.cpp
index 5d412d8..f6ebee6 100644
--- a/src/libANGLE/validationES_unittest.cpp
+++ b/src/libANGLE/validationES_unittest.cpp
@@ -78,7 +78,7 @@
     caps.maxElementIndex     = 100;
     caps.maxDrawBuffers      = 1;
     caps.maxColorAttachments = 1;
-    state.initialize(caps, extensions, Version(3, 0), false, true);
+    state.initialize(caps, extensions, Version(3, 0), false, true, true);
 
     NiceMock<MockTextureImpl> *textureImpl = new NiceMock<MockTextureImpl>();
     EXPECT_CALL(mockFactory, createTexture(_)).WillOnce(Return(textureImpl));