Delete usage and support for EGL_ANGLE_software_display extension.

We aren't using it anymore. It used to be used to switch to SwitchShader but the new version of SwiftShader exposes a EGL / GLES2 interface without ANGLE in between.

[email protected], [email protected]

Review URL: https://codereview.chromium.org/17110007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@206759 0039d316-1c4b-4281-b951-d872f2087c98
21 files changed