Revert of WebGL 2: generate appropriate error for different dimensions of images attached to fbo

Revert of WebGL 2: generate appropriate error for different dimensions of images attached to fbo (patchset #1 id:1 of https://codereview.chromium.org/1549393002/ )

Reason for revert:
This broke the WebglConformance.conformance2_rendering_draw_buffers test on mac.

Original issue's description:
> WebGL 2: generate appropriate error for different dimensions of images attached to fbo.
> This change fixed the bug in framebuffer-object-attachment.html
>
> BUG=295792
> TEST=conformance2/renderbuffers/framebuffer-object-attachment.html
>
> Committed: https://crrev.com/23cf53ece33a651b28a1d87e57f02a14f22d3c3d
> Cr-Commit-Position: refs/heads/master@{#367053}

TBR=kbr@chromium.org,zmo@chromium.org,bajones@chromium.org,qiankun.miao@intel.com,yunchao.he@intel.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=295792
Committed: https://crrev.com/02edc79d6c10a23b1521f773629539c7b139ceb2
Cr-Commit-Position: refs/heads/master@{#367070}

[Geoff Lang, 2015-12-29 14:45:59]

Created Revert of WebGL 2: generate appropriate error for different dimensions
of images attached to fbo

[commit-bot: I haz the power, 2015-12-29 14:46:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1555543002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1555543002/1

[commit-bot: I haz the power, 2015-12-29 14:46:36]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-29 14:47:18]

Description was changed from

==========
Revert of WebGL 2: generate appropriate error for different dimensions of images
attached to fbo (patchset #1 id:1 of https://codereview.chromium.org/1549393002/
)

Reason for revert:
This broke the WebglConformance.conformance2_rendering_draw_buffers test on mac.

Original issue's description:
> WebGL 2: generate appropriate error for different dimensions of images
attached to fbo.
> This change fixed the bug in framebuffer-object-attachment.html
> 
> BUG=295792
> TEST=conformance2/renderbuffers/framebuffer-object-attachment.html
> 
> Committed: https://crrev.com/23cf53ece33a651b28a1d87e57f02a14f22d3c3d
> Cr-Commit-Position: refs/heads/master@{#367053}

TBR=kbr@chromium.org,zmo@chromium.org,bajones@chromium.org,qiankun.miao@intel...
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=295792
==========

to

==========
Revert of WebGL 2: generate appropriate error for different dimensions of images
attached to fbo (patchset #1 id:1 of https://codereview.chromium.org/1549393002/
)

Reason for revert:
This broke the WebglConformance.conformance2_rendering_draw_buffers test on mac.

Original issue's description:
> WebGL 2: generate appropriate error for different dimensions of images
attached to fbo.
> This change fixed the bug in framebuffer-object-attachment.html
>
> BUG=295792
> TEST=conformance2/renderbuffers/framebuffer-object-attachment.html
>
> Committed: https://crrev.com/23cf53ece33a651b28a1d87e57f02a14f22d3c3d
> Cr-Commit-Position: refs/heads/master@{#367053}

TBR=kbr@chromium.org,zmo@chromium.org,bajones@chromium.org,qiankun.miao@intel...
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=295792

Committed: https://crrev.com/02edc79d6c10a23b1521f773629539c7b139ceb2
Cr-Commit-Position: refs/heads/master@{#367070}
==========

[commit-bot: I haz the power, 2015-12-29 14:47:19]

Patchset 1 (id:??) landed as
https://crrev.com/02edc79d6c10a23b1521f773629539c7b139ceb2
Cr-Commit-Position: refs/heads/master@{#367070}