Implement OES_texture_float_linear and OES_texture_half_float_linear extensions in WebGL.

Source/core/core.gypi

 
 {
     'variables': {
         'core_idl_files': [
             'css/CSSCharsetRule.idl',
             'css/CSSFontFaceLoadEvent.idl',
             'css/CSSFontFaceRule.idl',
             'css/CSSHostRule.idl',
             'css/CSSImportRule.idl',
             'css/CSSMediaRule.idl',
@@ skipping 201 matching lines @@
             'html/canvas/DataView.idl',
             'html/canvas/EXTDrawBuffers.idl',
             'html/canvas/EXTTextureFilterAnisotropic.idl',
             'html/canvas/Float32Array.idl',
             'html/canvas/Float64Array.idl',
             'html/canvas/Int16Array.idl',
             'html/canvas/Int32Array.idl',
             'html/canvas/Int8Array.idl',
             'html/canvas/OESStandardDerivatives.idl',
             'html/canvas/OESTextureFloat.idl',
+            'html/canvas/OESTextureFloatLinear.idl',
             'html/canvas/OESTextureHalfFloat.idl',
+            'html/canvas/OESTextureHalfFloatLinear.idl',
             'html/canvas/OESVertexArrayObject.idl',
             'html/canvas/OESElementIndexUint.idl',
             'html/canvas/Path.idl',
             'html/canvas/Uint16Array.idl',
             'html/canvas/Uint32Array.idl',
             'html/canvas/Uint8Array.idl',
             'html/canvas/Uint8ClampedArray.idl',
             'html/canvas/WebGLActiveInfo.idl',
             'html/canvas/WebGLBuffer.idl',
             'html/canvas/WebGLCompressedTextureATC.idl',
@@ skipping 1981 matching lines @@
             'html/canvas/DataView.h',
             'html/canvas/DOMPath.h',
             'html/canvas/EXTDrawBuffers.cpp',
             'html/canvas/EXTDrawBuffers.h',
             'html/canvas/EXTTextureFilterAnisotropic.cpp',
             'html/canvas/EXTTextureFilterAnisotropic.h',
             'html/canvas/OESStandardDerivatives.cpp',
             'html/canvas/OESStandardDerivatives.h',
             'html/canvas/OESTextureFloat.cpp',
             'html/canvas/OESTextureFloat.h',
+            'html/canvas/OESTextureFloatLinear.cpp',
+            'html/canvas/OESTextureFloatLinear.h',
             'html/canvas/OESTextureHalfFloat.cpp',
             'html/canvas/OESTextureHalfFloat.h',
+            'html/canvas/OESTextureHalfFloatLinear.cpp',
+            'html/canvas/OESTextureHalfFloatLinear.h',
             'html/canvas/OESVertexArrayObject.cpp',
             'html/canvas/OESVertexArrayObject.h',
             'html/canvas/OESElementIndexUint.cpp',
             'html/canvas/OESElementIndexUint.h',
             'html/canvas/WebGLActiveInfo.h',
             'html/canvas/WebGLBuffer.cpp',
             'html/canvas/WebGLBuffer.h',
             'html/canvas/WebGLCompressedTextureATC.cpp',
             'html/canvas/WebGLCompressedTextureATC.h',
             'html/canvas/WebGLCompressedTexturePVRTC.cpp',
@@ skipping 1441 matching lines @@
                 'bison_exe': 'bison',
                 # We specify a preprocess so it happens locally and won't get
                 # distributed to goma.
                 # FIXME: /usr/bin/gcc won't exist on OSX forever. We want to
                 # use /usr/bin/clang once we require Xcode 4.x.
                 'preprocessor': '--preprocessor "/usr/bin/gcc -E -P -x c++"'
               }],
          ],
     }
 }