Revert of Move static GL binding initialization to //ui/gl/init.

ui/gl/gl_egl_api_implementation.cc

Index: ui/gl/gl_egl_api_implementation.cc
diff --git a/ui/gl/gl_egl_api_implementation.cc b/ui/gl/gl_egl_api_implementation.cc
index 22e8f6b722950bdfa4c3ef548fad8500bec4ab05..2a81a17493633417182215cab0b034288813769c 100644
--- a/ui/gl/gl_egl_api_implementation.cc
+++ b/ui/gl/gl_egl_api_implementation.cc
@@ -12,19 +12,6 @@
 
 namespace gl {
 
-namespace {
-
-void GL_BINDING_CALL MarshalClearDepthToClearDepthf(GLclampd depth) {
-  glClearDepthf(static_cast<GLclampf>(depth));
-}
-
-void GL_BINDING_CALL MarshalDepthRangeToDepthRangef(GLclampd z_near,
-                                                    GLclampd z_far) {
-  glDepthRangef(static_cast<GLclampf>(z_near), static_cast<GLclampf>(z_far));
-}
-
-}  // namespace
-
 RealEGLApi* g_real_egl;
 
 void InitializeStaticGLBindingsEGL() {
@@ -35,11 +22,6 @@
   g_real_egl->Initialize(&g_driver_egl);
   g_current_egl_context = g_real_egl;
   g_driver_egl.InitializeExtensionBindings();
-
-  // These two functions take single precision float rather than double
-  // precision float parameters in GLES.
-  ::gl::g_driver_gl.fn.glClearDepthFn = MarshalClearDepthToClearDepthf;
-  ::gl::g_driver_gl.fn.glDepthRangeFn = MarshalDepthRangeToDepthRangef;
 }
 
 void InitializeDebugGLBindingsEGL() {