Revert "Making all DOM types abstract and removing superfluous Dartium constructors."

sdk/lib/web_gl/dart2js/web_gl_dart2js.dart

Index: sdk/lib/web_gl/dart2js/web_gl_dart2js.dart
diff --git a/sdk/lib/web_gl/dart2js/web_gl_dart2js.dart b/sdk/lib/web_gl/dart2js/web_gl_dart2js.dart
index 0a35ac158e73d3cb6ffbf907f4e59e2a2ce21f9b..1cad109985de1f1f282bc0b9d896b8e872a3bce6 100644
--- a/sdk/lib/web_gl/dart2js/web_gl_dart2js.dart
+++ b/sdk/lib/web_gl/dart2js/web_gl_dart2js.dart
@@ -326,8 +326,6 @@ const int ZERO = RenderingContext.ZERO;
 @DomName('WebGLActiveInfo')
 @Unstable
 class ActiveInfo native "WebGLActiveInfo" {
-  // To suppress missing implicit constructor warnings.
-  factory ActiveInfo._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('WebGLActiveInfo.name')
   @DocsEditable
@@ -350,8 +348,6 @@ class ActiveInfo native "WebGLActiveInfo" {
 @DomName('WebGLBuffer')
 @Unstable
 class Buffer native "WebGLBuffer" {
-  // To suppress missing implicit constructor warnings.
-  factory Buffer._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -363,8 +359,6 @@ class Buffer native "WebGLBuffer" {
 // http://www.khronos.org/registry/webgl/extensions/WEBGL_compressed_texture_atc/
 @Experimental
 class CompressedTextureAtc native "WebGLCompressedTextureATC" {
-  // To suppress missing implicit constructor warnings.
-  factory CompressedTextureAtc._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('WebGLCompressedTextureATC.COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL')
   @DocsEditable
@@ -388,8 +382,6 @@ class CompressedTextureAtc native "WebGLCompressedTextureATC" {
 // http://www.khronos.org/registry/webgl/extensions/WEBGL_compressed_texture_pvrtc/
 @Experimental // experimental
 class CompressedTexturePvrtc native "WebGLCompressedTexturePVRTC" {
-  // To suppress missing implicit constructor warnings.
-  factory CompressedTexturePvrtc._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('WebGLCompressedTexturePVRTC.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG')
   @DocsEditable
@@ -417,8 +409,6 @@ class CompressedTexturePvrtc native "WebGLCompressedTexturePVRTC" {
 // http://www.khronos.org/registry/webgl/extensions/WEBGL_compressed_texture_s3tc/
 @Experimental // experimental
 class CompressedTextureS3TC native "WebGLCompressedTextureS3TC" {
-  // To suppress missing implicit constructor warnings.
-  factory CompressedTextureS3TC._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('WebGLCompressedTextureS3TC.COMPRESSED_RGBA_S3TC_DXT1_EXT')
   @DocsEditable
@@ -445,8 +435,6 @@ class CompressedTextureS3TC native "WebGLCompressedTextureS3TC" {
 @DomName('WebGLContextAttributes')
 @Unstable
 class ContextAttributes native "WebGLContextAttributes" {
-  // To suppress missing implicit constructor warnings.
-  factory ContextAttributes._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('WebGLContextAttributes.alpha')
   @DocsEditable
@@ -481,8 +469,6 @@ class ContextAttributes native "WebGLContextAttributes" {
 @DomName('WebGLContextEvent')
 @Unstable
 class ContextEvent extends Event native "WebGLContextEvent" {
-  // To suppress missing implicit constructor warnings.
-  factory ContextEvent._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('WebGLContextEvent.statusMessage')
   @DocsEditable
@@ -498,8 +484,6 @@ class ContextEvent extends Event native "WebGLContextEvent" {
 // http://www.khronos.org/registry/webgl/extensions/WEBGL_debug_renderer_info/
 @Experimental // experimental
 class DebugRendererInfo native "WebGLDebugRendererInfo" {
-  // To suppress missing implicit constructor warnings.
-  factory DebugRendererInfo._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('WebGLDebugRendererInfo.UNMASKED_RENDERER_WEBGL')
   @DocsEditable
@@ -519,8 +503,6 @@ class DebugRendererInfo native "WebGLDebugRendererInfo" {
 // http://www.khronos.org/registry/webgl/extensions/WEBGL_debug_shaders/
 @Experimental // experimental
 class DebugShaders native "WebGLDebugShaders" {
-  // To suppress missing implicit constructor warnings.
-  factory DebugShaders._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('WebGLDebugShaders.getTranslatedShaderSource')
   @DocsEditable
@@ -536,8 +518,6 @@ class DebugShaders native "WebGLDebugShaders" {
 // http://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/
 @Experimental // experimental
 class DepthTexture native "WebGLDepthTexture" {
-  // To suppress missing implicit constructor warnings.
-  factory DepthTexture._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('WebGLDepthTexture.UNSIGNED_INT_24_8_WEBGL')
   @DocsEditable
@@ -553,8 +533,6 @@ class DepthTexture native "WebGLDepthTexture" {
 // http://www.khronos.org/registry/webgl/specs/latest/
 @Experimental // stable
 class ExtDrawBuffers native "EXTDrawBuffers" {
-  // To suppress missing implicit constructor warnings.
-  factory ExtDrawBuffers._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('EXTDrawBuffers.COLOR_ATTACHMENT0_EXT')
   @DocsEditable
@@ -702,8 +680,6 @@ class ExtDrawBuffers native "EXTDrawBuffers" {
 // http://www.khronos.org/registry/webgl/extensions/EXT_frag_depth/
 @Experimental
 class ExtFragDepth native "EXTFragDepth" {
-  // To suppress missing implicit constructor warnings.
-  factory ExtFragDepth._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -715,8 +691,6 @@ class ExtFragDepth native "EXTFragDepth" {
 // http://www.khronos.org/registry/webgl/extensions/EXT_texture_filter_anisotropic/
 @Experimental
 class ExtTextureFilterAnisotropic native "EXTTextureFilterAnisotropic" {
-  // To suppress missing implicit constructor warnings.
-  factory ExtTextureFilterAnisotropic._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('EXTTextureFilterAnisotropic.MAX_TEXTURE_MAX_ANISOTROPY_EXT')
   @DocsEditable
@@ -735,8 +709,6 @@ class ExtTextureFilterAnisotropic native "EXTTextureFilterAnisotropic" {
 @DomName('WebGLFramebuffer')
 @Unstable
 class Framebuffer native "WebGLFramebuffer" {
-  // To suppress missing implicit constructor warnings.
-  factory Framebuffer._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -748,8 +720,6 @@ class Framebuffer native "WebGLFramebuffer" {
 // http://www.khronos.org/registry/webgl/extensions/WEBGL_lose_context/
 @Experimental
 class LoseContext native "WebGLLoseContext" {
-  // To suppress missing implicit constructor warnings.
-  factory LoseContext._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('WebGLLoseContext.loseContext')
   @DocsEditable
@@ -769,8 +739,6 @@ class LoseContext native "WebGLLoseContext" {
 // http://www.khronos.org/registry/webgl/extensions/OES_element_index_uint/
 @Experimental // experimental
 class OesElementIndexUint native "OESElementIndexUint" {
-  // To suppress missing implicit constructor warnings.
-  factory OesElementIndexUint._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -782,8 +750,6 @@ class OesElementIndexUint native "OESElementIndexUint" {
 // http://www.khronos.org/registry/webgl/extensions/OES_standard_derivatives/
 @Experimental // experimental
 class OesStandardDerivatives native "OESStandardDerivatives" {
-  // To suppress missing implicit constructor warnings.
-  factory OesStandardDerivatives._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('OESStandardDerivatives.FRAGMENT_SHADER_DERIVATIVE_HINT_OES')
   @DocsEditable
@@ -799,8 +765,6 @@ class OesStandardDerivatives native "OESStandardDerivatives" {
 // http://www.khronos.org/registry/webgl/extensions/OES_texture_float/
 @Experimental // experimental
 class OesTextureFloat native "OESTextureFloat" {
-  // To suppress missing implicit constructor warnings.
-  factory OesTextureFloat._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -812,8 +776,6 @@ class OesTextureFloat native "OESTextureFloat" {
 // http://www.khronos.org/registry/webgl/extensions/OES_texture_float_linear/
 @Experimental
 class OesTextureFloatLinear native "OESTextureFloatLinear" {
-  // To suppress missing implicit constructor warnings.
-  factory OesTextureFloatLinear._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -825,8 +787,6 @@ class OesTextureFloatLinear native "OESTextureFloatLinear" {
 // http://www.khronos.org/registry/webgl/extensions/OES_texture_half_float/
 @Experimental // experimental
 class OesTextureHalfFloat native "OESTextureHalfFloat" {
-  // To suppress missing implicit constructor warnings.
-  factory OesTextureHalfFloat._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('OESTextureHalfFloat.HALF_FLOAT_OES')
   @DocsEditable
@@ -842,8 +802,6 @@ class OesTextureHalfFloat native "OESTextureHalfFloat" {
 // http://www.khronos.org/registry/webgl/extensions/OES_texture_half_float_linear/
 @Experimental
 class OesTextureHalfFloatLinear native "OESTextureHalfFloatLinear" {
-  // To suppress missing implicit constructor warnings.
-  factory OesTextureHalfFloatLinear._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -855,8 +813,6 @@ class OesTextureHalfFloatLinear native "OESTextureHalfFloatLinear" {
 // http://www.khronos.org/registry/webgl/extensions/OES_vertex_array_object/
 @Experimental // experimental
 class OesVertexArrayObject native "OESVertexArrayObject" {
-  // To suppress missing implicit constructor warnings.
-  factory OesVertexArrayObject._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('OESVertexArrayObject.VERTEX_ARRAY_BINDING_OES')
   @DocsEditable
@@ -891,8 +847,6 @@ class OesVertexArrayObject native "OESVertexArrayObject" {
 @DomName('WebGLProgram')
 @Unstable
 class Program native "WebGLProgram" {
-  // To suppress missing implicit constructor warnings.
-  factory Program._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -903,8 +857,6 @@ class Program native "WebGLProgram" {
 @DomName('WebGLRenderbuffer')
 @Unstable
 class Renderbuffer native "WebGLRenderbuffer" {
-  // To suppress missing implicit constructor warnings.
-  factory Renderbuffer._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -918,8 +870,6 @@ class Renderbuffer native "WebGLRenderbuffer" {
 @Experimental
 @Unstable
 class RenderingContext extends CanvasRenderingContext native "WebGLRenderingContext" {
-  // To suppress missing implicit constructor warnings.
-  factory RenderingContext._() { throw new UnsupportedError("Not supported"); }
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => JS('bool', '!!(window.WebGLRenderingContext)');
@@ -2768,8 +2718,6 @@ class RenderingContext extends CanvasRenderingContext native "WebGLRenderingCont
 @DocsEditable
 @DomName('WebGLShader')
 class Shader native "WebGLShader" {
-  // To suppress missing implicit constructor warnings.
-  factory Shader._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -2779,8 +2727,6 @@ class Shader native "WebGLShader" {
 @DocsEditable
 @DomName('WebGLShaderPrecisionFormat')
 class ShaderPrecisionFormat native "WebGLShaderPrecisionFormat" {
-  // To suppress missing implicit constructor warnings.
-  factory ShaderPrecisionFormat._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('WebGLShaderPrecisionFormat.precision')
   @DocsEditable
@@ -2802,8 +2748,6 @@ class ShaderPrecisionFormat native "WebGLShaderPrecisionFormat" {
 @DocsEditable
 @DomName('WebGLTexture')
 class Texture native "WebGLTexture" {
-  // To suppress missing implicit constructor warnings.
-  factory Texture._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -2813,8 +2757,6 @@ class Texture native "WebGLTexture" {
 @DocsEditable
 @DomName('WebGLUniformLocation')
 class UniformLocation native "WebGLUniformLocation" {
-  // To suppress missing implicit constructor warnings.
-  factory UniformLocation._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ -2826,6 +2768,4 @@ class UniformLocation native "WebGLUniformLocation" {
 // http://www.khronos.org/registry/webgl/extensions/OES_vertex_array_object/
 @Experimental // experimental
 class VertexArrayObject native "WebGLVertexArrayObjectOES" {
-  // To suppress missing implicit constructor warnings.
-  factory VertexArrayObject._() { throw new UnsupportedError("Not supported"); }
 }