My HTML5 build gives errors in Chrome and Firefox

Development Platform & Builds
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14

Cuando compilo HTML5 en VS2013

1>  In file included from Runtime/OpenGLDrv/Private/HTML5/HTML5OpenGL.h:47:
1>D:\Dev\UE4\UnrealEngine\Engine\Source\Runtime\OpenGLDrv\Public\OpenGLES2.h(160,3): error : use of undeclared identifier 'glGetObjectLabelEXT'
1>  Runtime/OpenGLDrv/Public/OpenGLES2.h:160:3: error: use of undeclared identifier 'glGetObjectLabelEXT'
1>                  glGetObjectLabelEXT(Type, Object, BufferSize, &Length, OutName);
1>                  ^
1>  1 error generated.
1>EXEC : error root: compiler frontend failed to generate LLVM bitcode, halting
1>  python.exe Module.OpenGLDrv.3_of_3.cpp
1>  python.exe Module.SlateRHIRenderer.cpp
1>  In file included from D:/Dev/UE4/UnrealEngine/Engine/Intermediate/Build/HTML5/UE4Client/Development/OpenGLDrv/Module.OpenGLDrv.3_of_3.cpp:2:
1>  In file included from D:/Dev/UE4/UnrealEngine/Engine/Source/Runtime/OpenGLDrv/Private/OpenGLUtil.cpp:7:
1>  In file included from Runtime/OpenGLDrv/Private/OpenGLDrvPrivate.h:10:
1>  In file included from Runtime/OpenGLDrv/Public/OpenGLDrv.h:26:
1>  In file included from Runtime/OpenGLDrv/Private/HTML5/HTML5OpenGL.h:47:
1>D:\Dev\UE4\UnrealEngine\Engine\Source\Runtime\OpenGLDrv\Public\OpenGLES2.h(160,3): error : use of undeclared identifier 'glGetObjectLabelEXT'
1>  Runtime/OpenGLDrv/Public/OpenGLES2.h:160:3: error: use of undeclared identifier 'glGetObjectLabelEXT'
1>                  glGetObjectLabelEXT(Type, Object, BufferSize, &Length, OutName);
1>                  ^
1>  1 error generated.
1>EXEC : error root: compiler frontend failed to generate LLVM bitcode, halting