Removed cached copy of the GrDebugGLInterface

The GrDebugGLInterface wasn't being leaked but was being freed post-main. The cached copy was somewhat of a belt-and-suspenders solution since GrContextFactory also caches the GLInterface.

BEFORE

  Leaked SkRefCnt: 270
     Leaked SkFlattenable: 233
     Leaked SkWeakRefCnt: 3
         Leaked SkTypeface: 3
     Leaked GrGLInterface: 1
     Leaked SkPDFObject: 22
         Leaked SkPDFDict: 2
         Leaked SkPDFArray: 2
         Leaked SkPDFName: 8
         Leaked SkPDFInt: 10
     Leaked SkStream: 1
         Leaked SkMemoryStream: 1
     Leaked SkData: 2
     Leaked ???: 8


AFTER

  Leaked SkRefCnt: 269
     Leaked SkFlattenable: 233
     Leaked SkWeakRefCnt: 3
         Leaked SkTypeface: 3
     Leaked SkPDFObject: 22
         Leaked SkPDFDict: 2
         Leaked SkPDFArray: 2
         Leaked SkPDFName: 8
         Leaked SkPDFInt: 10
     Leaked SkStream: 1
         Leaked SkMemoryStream: 1
     Leaked SkData: 2
     Leaked ???: 8

[robertphillips, 2012-06-26 19:25:18]

One less thing to worry about

[reed1, 2012-06-26 19:27:47]

lgtm

http://codereview.appspot.com/6329068/diff/1/src/gpu/gl/debug/GrGLCreateDebug...
File src/gpu/gl/debug/GrGLCreateDebugInterface.cpp (left):

http://codereview.appspot.com/6329068/diff/1/src/gpu/gl/debug/GrGLCreateDebug...
src/gpu/gl/debug/GrGLCreateDebugInterface.cpp:1045: return glInterface.get();
nit: SkNEW(...)

[robertphillips, 2012-06-26 20:20:07]

committed as r4354

http://codereview.appspot.com/6329068/diff/1/src/gpu/gl/debug/GrGLCreateDebug...
File src/gpu/gl/debug/GrGLCreateDebugInterface.cpp (left):

http://codereview.appspot.com/6329068/diff/1/src/gpu/gl/debug/GrGLCreateDebug...
src/gpu/gl/debug/GrGLCreateDebugInterface.cpp:1045: return glInterface.get();
On 2012/06/26 19:27:47, reed1 wrote:
> nit: SkNEW(...)

Done.