Implement WEBGL_compressed_texture_es3_0 extension for WebGL 1/2

third_party/WebKit/Source/modules/webgl/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//third_party/WebKit/Source/modules/modules.gni")
 
 blink_modules_sources("webgl") {
   sources = [
     "ANGLEInstancedArrays.cpp",
     "ANGLEInstancedArrays.h",
@@ skipping 29 matching lines @@
     "WebGL2RenderingContext.h",
     "WebGL2RenderingContextBase.cpp",
     "WebGL2RenderingContextBase.h",
     "WebGLActiveInfo.h",
     "WebGLBuffer.cpp",
     "WebGLBuffer.h",
     "WebGLCompressedTextureASTC.cpp",
     "WebGLCompressedTextureASTC.h",
     "WebGLCompressedTextureATC.cpp",
     "WebGLCompressedTextureATC.h",
+    "WebGLCompressedTextureES30.cpp",
+    "WebGLCompressedTextureES30.h",
     "WebGLCompressedTextureETC1.cpp",
     "WebGLCompressedTextureETC1.h",
     "WebGLCompressedTexturePVRTC.cpp",
     "WebGLCompressedTexturePVRTC.h",
     "WebGLCompressedTextureS3TC.cpp",
     "WebGLCompressedTextureS3TC.h",
     "WebGLCompressedTextureS3TCsRGB.cpp",
     "WebGLCompressedTextureS3TCsRGB.h",
     "WebGLContextAttributeHelpers.cpp",
     "WebGLContextAttributeHelpers.h",
@@ skipping 53 matching lines @@
     "WebGLUniformLocation.cpp",
     "WebGLUniformLocation.h",
     "WebGLVertexArrayObject.cpp",
     "WebGLVertexArrayObject.h",
     "WebGLVertexArrayObjectBase.cpp",
     "WebGLVertexArrayObjectBase.h",
     "WebGLVertexArrayObjectOES.cpp",
     "WebGLVertexArrayObjectOES.h",
   ]
 }