GLVersionInfo: alse detect es3 support with extensions

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 c4c39a65011d3620eb346595db80fda8818c0a9d..2c775f8e0554b187a14200df201594f1388cd49e 100644
--- a/ui/gl/gl_version_info.h
+++ b/ui/gl/gl_version_info.h
@@ -39,18 +39,6 @@ struct GL_EXPORT GLVersionInfo {
     return is_es || is_desktop_core_profile;
   }
 
-  bool IsES3Capable() const {
-    if (IsAtLeastGLES(3, 0) || IsAtLeastGL(4, 2))
-      return true;
-#if defined(OS_MACOSX)
-    // TODO(zmo): For experimentation purpose on MacOSX with core profile,
-    // allow 3.2 or plus for now.
-    if (IsAtLeastGL(3, 2))
-      return true;
-#endif
-    return false;
-  }
-
   static void ParseVersionString(const char* version_str,
                                  unsigned* major_version,
                                  unsigned* minor_version,
@@ -65,9 +53,14 @@ struct GL_EXPORT GLVersionInfo {
   bool is_es2;
   bool is_es3;
   bool is_desktop_core_profile;
+  bool is_es3_capable;
 
  private:
-  GLVersionInfo(const char* version_str, const char* renderer_str);
+  GLVersionInfo();
+  void Initialize(const char* version_str,
+                  const char* renderer_str,
+                  const std::set<std::string>& extensions);
+  bool IsES3Capable(const std::set<std::string>& extensions) const;
 
   DISALLOW_COPY_AND_ASSIGN(GLVersionInfo);
 };