Revert of Make GL bindings conditional

ui/gl/gl_version_info.h

Index: ui/gl/gl_version_info.h
diff --git a/ui/gl/gl_version_info.h b/ui/gl/gl_version_info.h
index d8f27308b9bb5bb4e3d29b6312a2cb95b6836f56..21ca07aad5267eaf3f8a4828c0ac4862c4fdce54 100644
--- a/ui/gl/gl_version_info.h
+++ b/ui/gl/gl_version_info.h
@@ -14,21 +14,19 @@
 struct GL_EXPORT GLVersionInfo {
   GLVersionInfo(const char* version_str, const char* renderer_str);
 
-  bool IsAtLeastGL(unsigned major, unsigned minor) const {
-    return !is_es && (major_version > major ||
-                      (major_version == major && minor_version >= minor));
-  }
+  // New flags, such as is_gl4_4 could be introduced as needed.
+  // For now, this level of granularity is enough.
+  bool is_es;
+  bool is_es1;
+  bool is_es2;
+  bool is_es3;
 
-  bool IsAtLeastGLES(unsigned major, unsigned minor) const {
-    return is_es && (major_version > major ||
-                     (major_version == major && minor_version >= minor));
-  }
+  bool is_gl1;
+  bool is_gl2;
+  bool is_gl3;
+  bool is_gl4;
 
-  bool is_es;
   bool is_angle;
-  unsigned major_version;
-  unsigned minor_version;
-  bool is_es3;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(GLVersionInfo);