Add texture level dependent size checks to textureImage2D calls.

Add texture level dependent size checks to textureImage2D calls.
https://bugs.webkit.org/show_bug.cgi?id=123290
<rdar://problem/15201382>

Reviewed by Dean Jackson.

Test covered by WebGL Conformance suite 1.0.2 test, textures/texture-size-limit.html.

There are different size limits when calling textureImage2D on different texture levels.
We should be throwing an error if our texture size exceeds these limits.

* html/canvas/WebGLRenderingContext.cpp:
(WebCore::WebGLRenderingContext::validateTexFuncParameters):
* platform/mac/TestExpectations: Unskip now passing test texture-size-limit.html.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@157959 268f45cc-cd09-0410-ab3c-d52691b4dbfc