remove ETC2/EAC texture support in core WebGL 2

third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.idl

Index: third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.idl
diff --git a/third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.idl b/third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.idl
index 516bcd0d1b7406461e5c4cd9a6b05598af87a59a..ac6fab30510bd81e2b44351c2d0d951c2e0d5ca8 100644
--- a/third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.idl
+++ b/third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.idl
@@ -268,16 +268,6 @@ typedef long long      GLint64;
     const GLenum TRANSFORM_FEEDBACK_PAUSED                     = 0x8E23;
     const GLenum TRANSFORM_FEEDBACK_ACTIVE                     = 0x8E24;
     const GLenum TRANSFORM_FEEDBACK_BINDING                    = 0x8E25;
-    const GLenum COMPRESSED_R11_EAC                            = 0x9270;
-    const GLenum COMPRESSED_SIGNED_R11_EAC                     = 0x9271;
-    const GLenum COMPRESSED_RG11_EAC                           = 0x9272;
-    const GLenum COMPRESSED_SIGNED_RG11_EAC                    = 0x9273;
-    const GLenum COMPRESSED_RGB8_ETC2                          = 0x9274;
-    const GLenum COMPRESSED_SRGB8_ETC2                         = 0x9275;
-    const GLenum COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2      = 0x9276;
-    const GLenum COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2     = 0x9277;
-    const GLenum COMPRESSED_RGBA8_ETC2_EAC                     = 0x9278;
-    const GLenum COMPRESSED_SRGB8_ALPHA8_ETC2_EAC              = 0x9279;
     const GLenum TEXTURE_IMMUTABLE_FORMAT                      = 0x912F;
     const GLenum MAX_ELEMENT_INDEX                             = 0x8D6B;
     const GLenum NUM_SAMPLE_COUNTS                             = 0x9380;