Revert of Add config options to run different GPU APIs to dm and nanobench

Revert of Add config options to run different GPU APIs to dm and nanobench (patchset #12 id:220001 of https://codereview.chromium.org/1490113005/ )

Reason for revert:
speculative revert to see if it unblocks the DEPS roll

https://codereview.chromium.org/1529443002

Original issue's description:
> Add config options to run different GPU APIs to dm and nanobench
> 
> Add extended config specification form that can be used to run different
> gpu backend with different APIs.
> 
> The configs can be specified with the form:
> gpu(api=string,dit=bool,nvpr=bool,samples=int)
> 
> This replaces and removes the --gpuAPI flag.
> 
> All existing configs should still work.
> 
> Adds following documentation:
> 
> out/Debug/dm --help config
> 
> Flags:
>     --config:	type: string	default: 565 8888 gpu nonrendering
>         Options: 565 8888 debug gpu gpudebug gpudft gpunull msaa16 msaa4
>         nonrendering null nullgpu nvprmsaa16 nvprmsaa4 pdf pdf_poppler skp svg
>         xps or use extended form 'backend(option=value,...)'.
> 
>         Extended form: 'backend(option=value,...)'
> 
>         Possible backends and options:
> 
>         gpu(api=string,dit=bool,nvpr=bool,samples=int)	GPU backend
>         	api	type: string	default: native.
>         	    Select graphics API to use with gpu backend.
>         	    Options:
>         		native			Use platform default OpenGL or OpenGL ES backend.
>         		gl    			Use OpenGL.
>         		gles  			Use OpenGL ES.
>         		debug 			Use debug OpenGL.
>         		null  			Use null OpenGL.
>         	dit	type: bool	default: false.
>         	    Use device independent text.
>         	nvpr	type: bool	default: false.
>         	    Use NV_path_rendering OpenGL and OpenGL ES extension.
>         	samples	type: int	default: 0.
>         	    Use multisampling with N samples.
> 
>         Predefined configs:
> 
>         	gpu      	= gpu()
>         	msaa4    	= gpu(samples=4)
>         	msaa16   	= gpu(samples=16)
>         	nvprmsaa4	= gpu(nvpr=true,samples=4)
>         	nvprmsaa16	= gpu(nvpr=true,samples=16)
>         	gpudft    	= gpu(dit=true)
>         	gpudebug  	= gpu(api=debug)
>         	gpunull   	= gpu(api=null)
>         	debug     	= gpu(api=debug)
>         	nullgpu   	= gpu(api=null)
> 
> BUG=skia:2992
> 
> Committed: https://skia.googlesource.com/skia/+/e13ca329fca4c28cf4e078561f591ab27b743d23

TBR=bsalomon@google.com,scroggo@google.com,joshualitt@google.com,kkinnunen@nvidia.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:2992
Committed: https://skia.googlesource.com/skia/+/4ff653cab2e1e3cfb02c91df9c9013fc927aa1ee

[reed1, 2015-12-14 13:58:04]

Created Revert of Add config options to run different GPU APIs to dm and
nanobench

[commit-bot: I haz the power, 2015-12-14 13:58:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1528473002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1528473002/1

[commit-bot: I haz the power, 2015-12-14 13:58:27]

Description was changed from

==========
Revert of Add config options to run different GPU APIs to dm and nanobench
(patchset #12 id:220001 of https://codereview.chromium.org/1490113005/ )

Reason for revert:
speculative revert to see if it unblocks the DEPS roll

https://codereview.chromium.org/1529443002

Original issue's description:
> Add config options to run different GPU APIs to dm and nanobench
> 
> Add extended config specification form that can be used to run different
> gpu backend with different APIs.
> 
> The configs can be specified with the form:
> gpu(api=string,dit=bool,nvpr=bool,samples=int)
> 
> This replaces and removes the --gpuAPI flag.
> 
> All existing configs should still work.
> 
> Adds following documentation:
> 
> out/Debug/dm --help config
> 
> Flags:
>     --config:	type: string	default: 565 8888 gpu nonrendering
>         Options: 565 8888 debug gpu gpudebug gpudft gpunull msaa16 msaa4
>         nonrendering null nullgpu nvprmsaa16 nvprmsaa4 pdf pdf_poppler skp svg
>         xps or use extended form 'backend(option=value,...)'.
> 
>         Extended form: 'backend(option=value,...)'
> 
>         Possible backends and options:
> 
>         gpu(api=string,dit=bool,nvpr=bool,samples=int)	GPU backend
>         	api	type: string	default: native.
>         	    Select graphics API to use with gpu backend.
>         	    Options:
>         		native			Use platform default OpenGL or OpenGL ES backend.
>         		gl    			Use OpenGL.
>         		gles  			Use OpenGL ES.
>         		debug 			Use debug OpenGL.
>         		null  			Use null OpenGL.
>         	dit	type: bool	default: false.
>         	    Use device independent text.
>         	nvpr	type: bool	default: false.
>         	    Use NV_path_rendering OpenGL and OpenGL ES extension.
>         	samples	type: int	default: 0.
>         	    Use multisampling with N samples.
> 
>         Predefined configs:
> 
>         	gpu      	= gpu()
>         	msaa4    	= gpu(samples=4)
>         	msaa16   	= gpu(samples=16)
>         	nvprmsaa4	= gpu(nvpr=true,samples=4)
>         	nvprmsaa16	= gpu(nvpr=true,samples=16)
>         	gpudft    	= gpu(dit=true)
>         	gpudebug  	= gpu(api=debug)
>         	gpunull   	= gpu(api=null)
>         	debug     	= gpu(api=debug)
>         	nullgpu   	= gpu(api=null)
> 
> BUG=skia:2992
> 
> Committed:
https://skia.googlesource.com/skia/+/e13ca329fca4c28cf4e078561f591ab27b743d23

TBR=bsalomon@google.com,scroggo@google.com,joshualitt@google.com,kkinnunen@nv...
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:2992
==========

to

==========
Revert of Add config options to run different GPU APIs to dm and nanobench
(patchset #12 id:220001 of https://codereview.chromium.org/1490113005/ )

Reason for revert:
speculative revert to see if it unblocks the DEPS roll

https://codereview.chromium.org/1529443002

Original issue's description:
> Add config options to run different GPU APIs to dm and nanobench
> 
> Add extended config specification form that can be used to run different
> gpu backend with different APIs.
> 
> The configs can be specified with the form:
> gpu(api=string,dit=bool,nvpr=bool,samples=int)
> 
> This replaces and removes the --gpuAPI flag.
> 
> All existing configs should still work.
> 
> Adds following documentation:
> 
> out/Debug/dm --help config
> 
> Flags:
>     --config:	type: string	default: 565 8888 gpu nonrendering
>         Options: 565 8888 debug gpu gpudebug gpudft gpunull msaa16 msaa4
>         nonrendering null nullgpu nvprmsaa16 nvprmsaa4 pdf pdf_poppler skp svg
>         xps or use extended form 'backend(option=value,...)'.
> 
>         Extended form: 'backend(option=value,...)'
> 
>         Possible backends and options:
> 
>         gpu(api=string,dit=bool,nvpr=bool,samples=int)	GPU backend
>         	api	type: string	default: native.
>         	    Select graphics API to use with gpu backend.
>         	    Options:
>         		native			Use platform default OpenGL or OpenGL ES backend.
>         		gl    			Use OpenGL.
>         		gles  			Use OpenGL ES.
>         		debug 			Use debug OpenGL.
>         		null  			Use null OpenGL.
>         	dit	type: bool	default: false.
>         	    Use device independent text.
>         	nvpr	type: bool	default: false.
>         	    Use NV_path_rendering OpenGL and OpenGL ES extension.
>         	samples	type: int	default: 0.
>         	    Use multisampling with N samples.
> 
>         Predefined configs:
> 
>         	gpu      	= gpu()
>         	msaa4    	= gpu(samples=4)
>         	msaa16   	= gpu(samples=16)
>         	nvprmsaa4	= gpu(nvpr=true,samples=4)
>         	nvprmsaa16	= gpu(nvpr=true,samples=16)
>         	gpudft    	= gpu(dit=true)
>         	gpudebug  	= gpu(api=debug)
>         	gpunull   	= gpu(api=null)
>         	debug     	= gpu(api=debug)
>         	nullgpu   	= gpu(api=null)
> 
> BUG=skia:2992
> 
> Committed:
https://skia.googlesource.com/skia/+/e13ca329fca4c28cf4e078561f591ab27b743d23

TBR=bsalomon@google.com,scroggo@google.com,joshualitt@google.com,kkinnunen@nv...
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:2992

Committed:
https://skia.googlesource.com/skia/+/4ff653cab2e1e3cfb02c91df9c9013fc927aa1ee
==========

[commit-bot: I haz the power, 2015-12-14 13:58:27]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/4ff653cab2e1e3cfb02c91df9c9013fc927aa1ee