Revert of Updating calls to offscreen buffers to use a size of (0,0) when they do not require

Revert of Updating calls to offscreen buffers to use a size of (0,0) when they do not require an actual buffer (https://codereview.chromium.org/293293002/)

Reason for revert:
This CL broke VMTest on ChromiumOS bot:
http://build.chromium.org/p/chromium.chromiumos/builders/ChromiumOS%20%28x86%29/builds/21999
http://build.chromium.org/p/chromium.chromiumos/builders/ChromiumOS%20%28x86%29/builds/21999/steps/VMTest%20%28attempt%201%29/logs/stdio

See http://crbug.com/378430

Original issue's description:
> Updating calls to offscreen buffers to use a size of (0,0) when they do not require an actual buffer
> 
> These updates would enable the surfaceless context extension where available.
> 
> BUG=377497
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=273225

TBR=kbr@chromium.org,dnicoara@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=377497, 378430
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=273467

[Nikita (slow), 2014-05-29 10:16:13]

Created Revert of Updating calls to offscreen buffers to use a size of (0,0)
when they do not require an actual buffer

[Nikita (slow), 2014-05-29 10:16:49]

The CQ bit was checked by nkostylev@chromium.org

[commit-bot: I haz the power, 2014-05-29 10:18:47]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/nkostylev@chromium.org/309463003/1

[commit-bot: I haz the power, 2014-05-29 10:20:53]

Change committed as 273467