Revert "Moved GL enums from GraphicsContext3D to a more generic location."

Source/platform/graphics/GraphicsContext3D.h

Index: Source/platform/graphics/GraphicsContext3D.h
diff --git a/Source/platform/graphics/GraphicsContext3D.h b/Source/platform/graphics/GraphicsContext3D.h
index a4466548f514bce7b7c0462bdb09d3ad448163c8..1a2e6a246d16139d6ce5b42eda09b71ab1679579 100644
--- a/Source/platform/graphics/GraphicsContext3D.h
+++ b/Source/platform/graphics/GraphicsContext3D.h
@@ -32,8 +32,6 @@
 #include "platform/graphics/GraphicsTypes3D.h"
 #include "platform/graphics/Image.h"
 #include "platform/weborigin/KURL.h"
-#include "third_party/khronos/GLES2/gl2.h"
-#include "third_party/khronos/GLES2/gl2ext.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
@@ -74,6 +72,320 @@ struct ActiveInfo {
 
 class PLATFORM_EXPORT GraphicsContext3D : public RefCounted<GraphicsContext3D> {
 public:
+    enum {
+        DEPTH_BUFFER_BIT = 0x00000100,
+        STENCIL_BUFFER_BIT = 0x00000400,
+        COLOR_BUFFER_BIT = 0x00004000,
+        POINTS = 0x0000,
+        LINES = 0x0001,
+        LINE_LOOP = 0x0002,
+        LINE_STRIP = 0x0003,
+        TRIANGLES = 0x0004,
+        TRIANGLE_STRIP = 0x0005,
+        TRIANGLE_FAN = 0x0006,
+        ZERO = 0,
+        ONE = 1,
+        SRC_COLOR = 0x0300,
+        ONE_MINUS_SRC_COLOR = 0x0301,
+        SRC_ALPHA = 0x0302,
+        ONE_MINUS_SRC_ALPHA = 0x0303,
+        DST_ALPHA = 0x0304,
+        ONE_MINUS_DST_ALPHA = 0x0305,
+        DST_COLOR = 0x0306,
+        ONE_MINUS_DST_COLOR = 0x0307,
+        SRC_ALPHA_SATURATE = 0x0308,
+        FUNC_ADD = 0x8006,
+        BLEND_EQUATION = 0x8009,
+        BLEND_EQUATION_RGB = 0x8009,
+        BLEND_EQUATION_ALPHA = 0x883D,
+        FUNC_SUBTRACT = 0x800A,
+        FUNC_REVERSE_SUBTRACT = 0x800B,
+        BLEND_DST_RGB = 0x80C8,
+        BLEND_SRC_RGB = 0x80C9,
+        BLEND_DST_ALPHA = 0x80CA,
+        BLEND_SRC_ALPHA = 0x80CB,
+        CONSTANT_COLOR = 0x8001,
+        ONE_MINUS_CONSTANT_COLOR = 0x8002,
+        CONSTANT_ALPHA = 0x8003,
+        ONE_MINUS_CONSTANT_ALPHA = 0x8004,
+        BLEND_COLOR = 0x8005,
+        ARRAY_BUFFER = 0x8892,
+        ELEMENT_ARRAY_BUFFER = 0x8893,
+        ARRAY_BUFFER_BINDING = 0x8894,
+        ELEMENT_ARRAY_BUFFER_BINDING = 0x8895,
+        STREAM_DRAW = 0x88E0,
+        STATIC_DRAW = 0x88E4,
+        DYNAMIC_DRAW = 0x88E8,
+        BUFFER_SIZE = 0x8764,
+        BUFFER_USAGE = 0x8765,
+        CURRENT_VERTEX_ATTRIB = 0x8626,
+        FRONT = 0x0404,
+        BACK = 0x0405,
+        FRONT_AND_BACK = 0x0408,
+        TEXTURE_2D = 0x0DE1,
+        CULL_FACE = 0x0B44,
+        BLEND = 0x0BE2,
+        DITHER = 0x0BD0,
+        STENCIL_TEST = 0x0B90,
+        DEPTH_TEST = 0x0B71,
+        SCISSOR_TEST = 0x0C11,
+        POLYGON_OFFSET_FILL = 0x8037,
+        SAMPLE_ALPHA_TO_COVERAGE = 0x809E,
+        SAMPLE_COVERAGE = 0x80A0,
+        NO_ERROR = 0,
+        INVALID_ENUM = 0x0500,
+        INVALID_VALUE = 0x0501,
+        INVALID_OPERATION = 0x0502,
+        OUT_OF_MEMORY = 0x0505,
+        CW = 0x0900,
+        CCW = 0x0901,
+        LINE_WIDTH = 0x0B21,
+        ALIASED_POINT_SIZE_RANGE = 0x846D,
+        ALIASED_LINE_WIDTH_RANGE = 0x846E,
+        CULL_FACE_MODE = 0x0B45,
+        FRONT_FACE = 0x0B46,
+        DEPTH_RANGE = 0x0B70,
+        DEPTH_WRITEMASK = 0x0B72,
+        DEPTH_CLEAR_VALUE = 0x0B73,
+        DEPTH_FUNC = 0x0B74,
+        STENCIL_CLEAR_VALUE = 0x0B91,
+        STENCIL_FUNC = 0x0B92,
+        STENCIL_FAIL = 0x0B94,
+        STENCIL_PASS_DEPTH_FAIL = 0x0B95,
+        STENCIL_PASS_DEPTH_PASS = 0x0B96,
+        STENCIL_REF = 0x0B97,
+        STENCIL_VALUE_MASK = 0x0B93,
+        STENCIL_WRITEMASK = 0x0B98,
+        STENCIL_BACK_FUNC = 0x8800,
+        STENCIL_BACK_FAIL = 0x8801,
+        STENCIL_BACK_PASS_DEPTH_FAIL = 0x8802,
+        STENCIL_BACK_PASS_DEPTH_PASS = 0x8803,
+        STENCIL_BACK_REF = 0x8CA3,
+        STENCIL_BACK_VALUE_MASK = 0x8CA4,
+        STENCIL_BACK_WRITEMASK = 0x8CA5,
+        VIEWPORT = 0x0BA2,
+        SCISSOR_BOX = 0x0C10,
+        COLOR_CLEAR_VALUE = 0x0C22,
+        COLOR_WRITEMASK = 0x0C23,
+        UNPACK_ALIGNMENT = 0x0CF5,
+        PACK_ALIGNMENT = 0x0D05,
+        MAX_TEXTURE_SIZE = 0x0D33,
+        MAX_VIEWPORT_DIMS = 0x0D3A,
+        SUBPIXEL_BITS = 0x0D50,
+        RED_BITS = 0x0D52,
+        GREEN_BITS = 0x0D53,
+        BLUE_BITS = 0x0D54,
+        ALPHA_BITS = 0x0D55,
+        DEPTH_BITS = 0x0D56,
+        STENCIL_BITS = 0x0D57,
+        POLYGON_OFFSET_UNITS = 0x2A00,
+        POLYGON_OFFSET_FACTOR = 0x8038,
+        TEXTURE_BINDING_2D = 0x8069,
+        SAMPLE_BUFFERS = 0x80A8,
+        SAMPLES = 0x80A9,
+        SAMPLE_COVERAGE_VALUE = 0x80AA,
+        SAMPLE_COVERAGE_INVERT = 0x80AB,
+        NUM_COMPRESSED_TEXTURE_FORMATS = 0x86A2,
+        COMPRESSED_TEXTURE_FORMATS = 0x86A3,
+        DONT_CARE = 0x1100,
+        FASTEST = 0x1101,
+        NICEST = 0x1102,
+        GENERATE_MIPMAP_HINT = 0x8192,
+        BYTE = 0x1400,
+        UNSIGNED_BYTE = 0x1401,
+        SHORT = 0x1402,
+        UNSIGNED_SHORT = 0x1403,
+        INT = 0x1404,
+        UNSIGNED_INT = 0x1405,
+        FLOAT = 0x1406,
+        HALF_FLOAT_OES = 0x8D61,
+        FIXED = 0x140C,
+        DEPTH_COMPONENT = 0x1902,
+        ALPHA = 0x1906,
+        RGB = 0x1907,
+        RGBA = 0x1908,
+        BGRA = 0x80E1,
+        LUMINANCE = 0x1909,
+        LUMINANCE_ALPHA = 0x190A,
+        UNSIGNED_SHORT_4_4_4_4 = 0x8033,
+        UNSIGNED_SHORT_5_5_5_1 = 0x8034,
+        UNSIGNED_SHORT_5_6_5 = 0x8363,
+        FRAGMENT_SHADER = 0x8B30,
+        VERTEX_SHADER = 0x8B31,
+        MAX_VERTEX_ATTRIBS = 0x8869,
+        MAX_VERTEX_UNIFORM_VECTORS = 0x8DFB,
+        MAX_VARYING_VECTORS = 0x8DFC,
+        MAX_COMBINED_TEXTURE_IMAGE_UNITS = 0x8B4D,
+        MAX_VERTEX_TEXTURE_IMAGE_UNITS = 0x8B4C,
+        MAX_TEXTURE_IMAGE_UNITS = 0x8872,
+        MAX_FRAGMENT_UNIFORM_VECTORS = 0x8DFD,
+        SHADER_TYPE = 0x8B4F,
+        DELETE_STATUS = 0x8B80,
+        LINK_STATUS = 0x8B82,
+        VALIDATE_STATUS = 0x8B83,
+        ATTACHED_SHADERS = 0x8B85,
+        ACTIVE_UNIFORMS = 0x8B86,
+        ACTIVE_UNIFORM_MAX_LENGTH = 0x8B87,
+        ACTIVE_ATTRIBUTES = 0x8B89,
+        ACTIVE_ATTRIBUTE_MAX_LENGTH = 0x8B8A,
+        SHADING_LANGUAGE_VERSION = 0x8B8C,
+        CURRENT_PROGRAM = 0x8B8D,
+        NEVER = 0x0200,
+        LESS = 0x0201,
+        EQUAL = 0x0202,
+        LEQUAL = 0x0203,
+        GREATER = 0x0204,
+        NOTEQUAL = 0x0205,
+        GEQUAL = 0x0206,
+        ALWAYS = 0x0207,
+        KEEP = 0x1E00,
+        REPLACE = 0x1E01,
+        INCR = 0x1E02,
+        DECR = 0x1E03,
+        INVERT = 0x150A,
+        INCR_WRAP = 0x8507,
+        DECR_WRAP = 0x8508,
+        VENDOR = 0x1F00,
+        RENDERER = 0x1F01,
+        VERSION = 0x1F02,
+        EXTENSIONS = 0x1F03,
+        NEAREST = 0x2600,
+        LINEAR = 0x2601,
+        NEAREST_MIPMAP_NEAREST = 0x2700,
+        LINEAR_MIPMAP_NEAREST = 0x2701,
+        NEAREST_MIPMAP_LINEAR = 0x2702,
+        LINEAR_MIPMAP_LINEAR = 0x2703,
+        TEXTURE_MAG_FILTER = 0x2800,
+        TEXTURE_MIN_FILTER = 0x2801,
+        TEXTURE_WRAP_S = 0x2802,
+        TEXTURE_WRAP_T = 0x2803,
+        TEXTURE = 0x1702,
+        TEXTURE_CUBE_MAP = 0x8513,
+        TEXTURE_BINDING_CUBE_MAP = 0x8514,
+        TEXTURE_CUBE_MAP_POSITIVE_X = 0x8515,
+        TEXTURE_CUBE_MAP_NEGATIVE_X = 0x8516,
+        TEXTURE_CUBE_MAP_POSITIVE_Y = 0x8517,
+        TEXTURE_CUBE_MAP_NEGATIVE_Y = 0x8518,
+        TEXTURE_CUBE_MAP_POSITIVE_Z = 0x8519,
+        TEXTURE_CUBE_MAP_NEGATIVE_Z = 0x851A,
+        MAX_CUBE_MAP_TEXTURE_SIZE = 0x851C,
+        TEXTURE0 = 0x84C0,
+        TEXTURE1 = 0x84C1,
+        TEXTURE2 = 0x84C2,
+        TEXTURE3 = 0x84C3,
+        TEXTURE4 = 0x84C4,
+        TEXTURE5 = 0x84C5,
+        TEXTURE6 = 0x84C6,
+        TEXTURE7 = 0x84C7,
+        TEXTURE8 = 0x84C8,
+        TEXTURE9 = 0x84C9,
+        TEXTURE10 = 0x84CA,
+        TEXTURE11 = 0x84CB,
+        TEXTURE12 = 0x84CC,
+        TEXTURE13 = 0x84CD,
+        TEXTURE14 = 0x84CE,
+        TEXTURE15 = 0x84CF,
+        TEXTURE16 = 0x84D0,
+        TEXTURE17 = 0x84D1,
+        TEXTURE18 = 0x84D2,
+        TEXTURE19 = 0x84D3,
+        TEXTURE20 = 0x84D4,
+        TEXTURE21 = 0x84D5,
+        TEXTURE22 = 0x84D6,
+        TEXTURE23 = 0x84D7,
+        TEXTURE24 = 0x84D8,
+        TEXTURE25 = 0x84D9,
+        TEXTURE26 = 0x84DA,
+        TEXTURE27 = 0x84DB,
+        TEXTURE28 = 0x84DC,
+        TEXTURE29 = 0x84DD,
+        TEXTURE30 = 0x84DE,
+        TEXTURE31 = 0x84DF,
+        ACTIVE_TEXTURE = 0x84E0,
+        REPEAT = 0x2901,
+        CLAMP_TO_EDGE = 0x812F,
+        MIRRORED_REPEAT = 0x8370,
+        FLOAT_VEC2 = 0x8B50,
+        FLOAT_VEC3 = 0x8B51,
+        FLOAT_VEC4 = 0x8B52,
+        INT_VEC2 = 0x8B53,
+        INT_VEC3 = 0x8B54,
+        INT_VEC4 = 0x8B55,
+        BOOL = 0x8B56,
+        BOOL_VEC2 = 0x8B57,
+        BOOL_VEC3 = 0x8B58,
+        BOOL_VEC4 = 0x8B59,
+        FLOAT_MAT2 = 0x8B5A,
+        FLOAT_MAT3 = 0x8B5B,
+        FLOAT_MAT4 = 0x8B5C,
+        SAMPLER_2D = 0x8B5E,
+        SAMPLER_CUBE = 0x8B60,
+        VERTEX_ATTRIB_ARRAY_ENABLED = 0x8622,
+        VERTEX_ATTRIB_ARRAY_SIZE = 0x8623,
+        VERTEX_ATTRIB_ARRAY_STRIDE = 0x8624,
+        VERTEX_ATTRIB_ARRAY_TYPE = 0x8625,
+        VERTEX_ATTRIB_ARRAY_NORMALIZED = 0x886A,
+        VERTEX_ATTRIB_ARRAY_POINTER = 0x8645,
+        VERTEX_ATTRIB_ARRAY_BUFFER_BINDING = 0x889F,
+        COMPILE_STATUS = 0x8B81,
+        INFO_LOG_LENGTH = 0x8B84,
+        SHADER_SOURCE_LENGTH = 0x8B88,
+        SHADER_COMPILER = 0x8DFA,
+        SHADER_BINARY_FORMATS = 0x8DF8,
+        NUM_SHADER_BINARY_FORMATS = 0x8DF9,
+        LOW_FLOAT = 0x8DF0,
+        MEDIUM_FLOAT = 0x8DF1,
+        HIGH_FLOAT = 0x8DF2,
+        LOW_INT = 0x8DF3,
+        MEDIUM_INT = 0x8DF4,
+        HIGH_INT = 0x8DF5,
+        FRAMEBUFFER = 0x8D40,
+        RENDERBUFFER = 0x8D41,
+        RGBA4 = 0x8056,
+        RGB5_A1 = 0x8057,
+        RGB565 = 0x8D62,
+        DEPTH_COMPONENT16 = 0x81A5,
+        STENCIL_INDEX = 0x1901,
+        STENCIL_INDEX8 = 0x8D48,
+        DEPTH_STENCIL = 0x84F9,
+        UNSIGNED_INT_24_8 = 0x84FA,
+        DEPTH24_STENCIL8 = 0x88F0,
+        RENDERBUFFER_WIDTH = 0x8D42,
+        RENDERBUFFER_HEIGHT = 0x8D43,
+        RENDERBUFFER_INTERNAL_FORMAT = 0x8D44,
+        RENDERBUFFER_RED_SIZE = 0x8D50,
+        RENDERBUFFER_GREEN_SIZE = 0x8D51,
+        RENDERBUFFER_BLUE_SIZE = 0x8D52,
+        RENDERBUFFER_ALPHA_SIZE = 0x8D53,
+        RENDERBUFFER_DEPTH_SIZE = 0x8D54,
+        RENDERBUFFER_STENCIL_SIZE = 0x8D55,
+        FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE = 0x8CD0,
+        FRAMEBUFFER_ATTACHMENT_OBJECT_NAME = 0x8CD1,
+        FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL = 0x8CD2,
+        FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE = 0x8CD3,
+        COLOR_ATTACHMENT0 = 0x8CE0,
+        DEPTH_ATTACHMENT = 0x8D00,
+        STENCIL_ATTACHMENT = 0x8D20,
+        DEPTH_STENCIL_ATTACHMENT = 0x821A,
+        NONE = 0,
+        FRAMEBUFFER_COMPLETE = 0x8CD5,
+        FRAMEBUFFER_INCOMPLETE_ATTACHMENT = 0x8CD6,
+        FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT = 0x8CD7,
+        FRAMEBUFFER_INCOMPLETE_DIMENSIONS = 0x8CD9,
+        FRAMEBUFFER_UNSUPPORTED = 0x8CDD,
+        FRAMEBUFFER_BINDING = 0x8CA6,
+        RENDERBUFFER_BINDING = 0x8CA7,
+        MAX_RENDERBUFFER_SIZE = 0x84E8,
+        INVALID_FRAMEBUFFER_OPERATION = 0x0506,
+
+        // WebGL-specific enums
+        UNPACK_FLIP_Y_WEBGL = 0x9240,
+        UNPACK_PREMULTIPLY_ALPHA_WEBGL = 0x9241,
+        CONTEXT_LOST_WEBGL = 0x9242,
+        UNPACK_COLORSPACE_CONVERSION_WEBGL = 0x9243,
+        BROWSER_DEFAULT_WEBGL = 0x9244
+    };
+
     // Context creation attributes.
     struct Attributes {
         Attributes()