Hook ANGLE_request_extension up to the passthrough cmd decoder.

third_party/WebKit/Source/modules/webgl/WebGLDebugShaders.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 15 matching lines @@
 #include "modules/webgl/WebGLDebugShaders.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "modules/webgl/GLStringQuery.h"
 #include "modules/webgl/WebGLRenderingContextBase.h"
 #include "modules/webgl/WebGLShader.h"
 
 namespace blink {
 
 WebGLDebugShaders::WebGLDebugShaders(WebGLRenderingContextBase* context)
-    : WebGLExtension(context) {}
+    : WebGLExtension(context) {
+  context->extensionsUtil()->ensureExtensionEnabled(
+      "GL_ANGLE_translated_shader_source");
+}
 
 WebGLExtensionName WebGLDebugShaders::name() const {
   return WebGLDebugShadersName;
 }
 
 WebGLDebugShaders* WebGLDebugShaders::create(
     WebGLRenderingContextBase* context) {
   return new WebGLDebugShaders(context);
 }
 
@@ skipping 12 matching lines @@
 bool WebGLDebugShaders::supported(WebGLRenderingContextBase* context) {
   return context->extensionsUtil()->supportsExtension(
       "GL_ANGLE_translated_shader_source");
 }
 
 const char* WebGLDebugShaders::extensionName() {
   return "WEBGL_debug_shaders";
 }
 
 }  // namespace blink