Update from https://crrev.com/315085

ui/gl/gl_fence.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_fence.h"
 
 #include "base/compiler_specific.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_fence_arb.h"
 #include "ui/gl/gl_fence_egl.h"
 #include "ui/gl/gl_fence_nv.h"
 #include "ui/gl/gl_gl_api_implementation.h"
 #include "ui/gl/gl_version_info.h"
 
 #if defined(OS_MACOSX)
 #include "ui/gl/gl_fence_apple.h"
 #endif
 
 namespace gfx {
 
-namespace {
-
-// static
-GLFence* CreateFence(bool flush) {
-  DCHECK(GLContext::GetCurrent())
-      << "Trying to create fence with no context";
-
-  scoped_ptr<GLFence> fence;
-  // Prefer ARB_sync which supports server-side wait.
-  if (g_driver_gl.ext.b_GL_ARB_sync ||
-      GetGLVersionInfo()->is_es3) {
-    fence.reset(new GLFenceARB(flush));
-#if defined(OS_MACOSX)
-  } else if (g_driver_gl.ext.b_GL_APPLE_fence) {
-    fence.reset(new GLFenceAPPLE(flush));
-#else
-  } else if (g_driver_egl.ext.b_EGL_KHR_fence_sync) {
-    fence.reset(new GLFenceEGL(flush));
-#endif
-  } else if (g_driver_gl.ext.b_GL_NV_fence) {
-    fence.reset(new GLFenceNV(flush));
-  }
-
-  DCHECK_EQ(!!fence.get(), GLFence::IsSupported());
-  return fence.release();
-}
-
-}  // namespace
-
 GLFence::GLFence() {
 }
 
 GLFence::~GLFence() {
 }
 
 bool GLFence::IsSupported() {
   DCHECK(GetGLVersionInfo());
   return g_driver_gl.ext.b_GL_ARB_sync || GetGLVersionInfo()->is_es3 ||
 #if defined(OS_MACOSX)
          g_driver_gl.ext.b_GL_APPLE_fence ||
 #else
          g_driver_egl.ext.b_EGL_KHR_fence_sync ||
 #endif
          g_driver_gl.ext.b_GL_NV_fence;
 }
 
 GLFence* GLFence::Create() {
-  return CreateFence(true);
-}
+  DCHECK(GLContext::GetCurrent())
+      << "Trying to create fence with no context";
 
-GLFence* GLFence::CreateWithoutFlush() {
-  return CreateFence(false);
+  scoped_ptr<GLFence> fence;
+  // Prefer ARB_sync which supports server-side wait.
+  if (g_driver_gl.ext.b_GL_ARB_sync ||
+      GetGLVersionInfo()->is_es3) {
+    fence.reset(new GLFenceARB);
+#if defined(OS_MACOSX)
+  } else if (g_driver_gl.ext.b_GL_APPLE_fence) {
+    fence.reset(new GLFenceAPPLE);
+#else
+  } else if (g_driver_egl.ext.b_EGL_KHR_fence_sync) {
+    fence.reset(new GLFenceEGL);
+#endif
+  } else if (g_driver_gl.ext.b_GL_NV_fence) {
+    fence.reset(new GLFenceNV);
+  }
+
+  DCHECK_EQ(!!fence.get(), GLFence::IsSupported());
+  return fence.release();
 }
 
 }  // namespace gfx