Added Blink-side support for EXT_blend_minmax WebGL extension

Source/core/html/canvas/EXTBlendMinMax.h

Index: Source/core/html/canvas/EXTBlendMinMax.h
diff --git a/Source/core/html/canvas/EXTShaderTextureLOD.h b/Source/core/html/canvas/EXTBlendMinMax.h
similarity index 59%
copy from Source/core/html/canvas/EXTShaderTextureLOD.h
copy to Source/core/html/canvas/EXTBlendMinMax.h
index 342d94d09659257ce7cfb3b0da5d65ef34282989..4c6421760ded73956982c12ca9e6e853a21fc0c8 100644
--- a/Source/core/html/canvas/EXTShaderTextureLOD.h
+++ b/Source/core/html/canvas/EXTBlendMinMax.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef EXTShaderTextureLOD_h
-#define EXTShaderTextureLOD_h
+#ifndef EXTBlendMinMax_h
+#define EXTBlendMinMax_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/html/canvas/WebGLExtension.h"
@@ -11,19 +11,19 @@
 
 namespace WebCore {
 
-class EXTShaderTextureLOD FINAL : public WebGLExtension, public ScriptWrappable {
+class EXTBlendMinMax FINAL : public WebGLExtension, public ScriptWrappable {
 public:
-    static PassRefPtr<EXTShaderTextureLOD> create(WebGLRenderingContextBase*);
+    static PassRefPtr<EXTBlendMinMax> create(WebGLRenderingContextBase*);
     static bool supported(WebGLRenderingContextBase*);
     static const char* extensionName();
 
-    virtual ~EXTShaderTextureLOD();
+    virtual ~EXTBlendMinMax();
     virtual WebGLExtensionName name() const OVERRIDE;
 
 private:
-    EXTShaderTextureLOD(WebGLRenderingContextBase*);
+    EXTBlendMinMax(WebGLRenderingContextBase*);
 };
 
 } // namespace WebCore
 
-#endif // EXTShaderTextureLOD_h
+#endif // EXTBlendMinMax_h