Remove unused methods in WebGraphicsContext3D: isGLES2Compliant() and getPlatformTextureId()

BUG=

Review URL: https://chromiumcodereview.appspot.com/16201002

git-svn-id: svn://svn.chromium.org/blink/trunk@152357 bbb929c8-8fbe-4397-9dbb-9b2b20218538
2 files changed