Replace 'eglGetCurrentContext()' with 'GetCurrent()'

ui/gl/gl_context_egl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gl/gl_context_egl.h"
 
 #include <memory>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 96 matching lines @@
 bool GLContextEGL::MakeCurrent(GLSurface* surface) {
   DCHECK(context_);
   if (IsCurrent(surface))
       return true;
 
   ScopedReleaseCurrent release_current;
   TRACE_EVENT2("gpu", "GLContextEGL::MakeCurrent",
                "context", context_,
                "surface", surface);
 
-  if (unbind_fbo_on_makecurrent_ &&
-      eglGetCurrentContext() != EGL_NO_CONTEXT) {
+  if (unbind_fbo_on_makecurrent_ && GetCurrent()) {
     glBindFramebufferEXT(GL_FRAMEBUFFER, 0);
   }
 
   if (!eglMakeCurrent(display_,
                       surface->GetHandle(),
                       surface->GetHandle(),
                       context_)) {
     DVLOG(1) << "eglMakeCurrent failed with error "
              << GetLastEGLErrorString();
     return false;
@@ skipping 87 matching lines @@
 
 bool GLContextEGL::WasAllocatedUsingRobustnessExtension() {
   return GLSurfaceEGL::IsCreateContextRobustnessSupported();
 }
 
 GLContextEGL::~GLContextEGL() {
   Destroy();
 }
 
 }  // namespace gl