Fix texture copy issue in video painting on Canvas for Chrome on Android.

Fix texture copy issue in video painting on Canvas for Chrome on Android.

Need to set type as GraphicsContext3D::UNSIGNED_BYTE since the API is changed.

BUG=147265
TEST=webgl/conformance/textures/tex-image-and-sub-image-2d-with-video.html or http://html5doctor.com/demos/video-canvas-magic/demo1.html

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=150496

[Shouqun Liu, 2013-05-15 05:43:27]

PTAL

[Jun Jiang, 2013-05-15 06:53:43]

On 2013/05/15 05:43:27, Shouqun Liu wrote:
> PTAL

It was my fault that I didn't notice this place in Android used
copyVideoTextureToPlatformTexture() as well and thanks Shouqun for finding this.

Please land this patch first before the clean up patch at
https://codereview.chromium.org/14972017.

[hkuang1, 2013-05-15 16:59:03]

Add scherkus.

[Ken Russell (switch to Gerrit), 2013-05-15 22:51:54]

LGTM

[commit-bot: I haz the power, 2013-05-16 00:56:34]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/shouqun.liu@intel.com/14676015/1

[commit-bot: I haz the power, 2013-05-16 01:02:56]

Retried try job too often on blink_bare_presubmit for step(s) presubmit
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=blink_bare...

[Shouqun Liu, 2013-05-16 01:09:29]

abarth@: PTAL

[abarth-chromium, 2013-05-16 05:55:42]

lgtm

[commit-bot: I haz the power, 2013-05-16 05:56:25]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/shouqun.liu@intel.com/14676015/1

[commit-bot: I haz the power, 2013-05-16 06:32:38]

Retried try job too often on linux_layout_rel for step(s) webkit_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_layo...

[commit-bot: I haz the power, 2013-05-16 07:01:02]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/shouqun.liu@intel.com/14676015/1

[commit-bot: I haz the power, 2013-05-16 08:16:55]

Change committed as 150496