Get rid of the old angle checkout

gpu/gles2_conform_support/gles2_conform_test.gyp

Index: gpu/gles2_conform_support/gles2_conform_test.gyp
diff --git a/gpu/gles2_conform_support/gles2_conform_test.gyp b/gpu/gles2_conform_support/gles2_conform_test.gyp
index ba89e2aad6142f4f0f16cfabc98951ee3f652335..74ede870d40e9dac6b80b6991c195250e2a41b7f 100644
--- a/gpu/gles2_conform_support/gles2_conform_test.gyp
+++ b/gpu/gles2_conform_support/gles2_conform_test.gyp
@@ -110,8 +110,8 @@
             }],
             ['OS=="win"', {
               'dependencies': [
-                '<(DEPTH)/third_party/angle_dx11/src/build_angle.gyp:libGLESv2',
-                '<(DEPTH)/third_party/angle_dx11/src/build_angle.gyp:libEGL',
+                '<(angle_path)/src/build_angle.gyp:libGLESv2',
+                '<(angle_path)/src/build_angle.gyp:libEGL',
               ],
               'defines': [
                 'EGLAPI=',
@@ -194,8 +194,8 @@
             'gles2_conform_test_embedded_data',
             '<(DEPTH)/base/base.gyp:base',
             '<(DEPTH)/third_party/expat/expat.gyp:expat',
-            '<(DEPTH)/third_party/angle_dx11/src/build_angle.gyp:libGLESv2',
-            '<(DEPTH)/third_party/angle_dx11/src/build_angle.gyp:libEGL',
+            '<(angle_path)/src/build_angle.gyp:libGLESv2',
+            '<(angle_path)/src/build_angle.gyp:libEGL',
             '<(DEPTH)/gpu/gles2_conform_support/gles2_conform_support.gyp:egl_main_native',
           ],
           'defines': [