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

ui/gl/gl_implementation_ozone.cc

Index: ui/gl/gl_implementation_ozone.cc
diff --git a/ui/gl/gl_implementation_ozone.cc b/ui/gl/gl_implementation_ozone.cc
index 67812bb8ceb16ab4a02c74bc13611a61d93a491b..2564c1a5b49e16ec20a7c926e658c8ac2e92c98c 100644
--- a/ui/gl/gl_implementation_ozone.cc
+++ b/ui/gl/gl_implementation_ozone.cc
@@ -2,76 +2,21 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/bind.h"
-#include "ui/gl/gl_bindings.h"
+#include "ui/gl/gl_implementation.h"
+
 #include "ui/gl/gl_context_stub_with_extensions.h"
 #include "ui/gl/gl_egl_api_implementation.h"
 #include "ui/gl/gl_gl_api_implementation.h"
-#include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_implementation_osmesa.h"
 #include "ui/gl/gl_osmesa_api_implementation.h"
-#include "ui/ozone/public/ozone_platform.h"
-#include "ui/ozone/public/surface_factory_ozone.h"
 
 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
-
 void GetAllowedGLImplementations(std::vector<GLImplementation>* impls) {
   impls->push_back(kGLImplementationEGLGLES2);
   impls->push_back(kGLImplementationOSMesaGL);
 }
 
-bool InitializeStaticGLBindings(GLImplementation implementation) {
-  // Prevent reinitialization with a different implementation. Once the gpu
-  // unit tests have initialized with kGLImplementationMock, we don't want to
-  // later switch to another GL implementation.
-  DCHECK_EQ(kGLImplementationNone, GetGLImplementation());
-  ui::OzonePlatform::InitializeForGPU();
-
-  switch (implementation) {
-    case kGLImplementationOSMesaGL:
-      return InitializeStaticGLBindingsOSMesaGL();
-    case kGLImplementationEGLGLES2:
-      if (!ui::OzonePlatform::GetInstance()
-               ->GetSurfaceFactoryOzone()
-               ->LoadEGLGLES2Bindings(base::Bind(&AddGLNativeLibrary),
-                                      base::Bind(&SetGLGetProcAddressProc)))
-        return false;
-      SetGLImplementation(kGLImplementationEGLGLES2);
-      InitializeStaticGLBindingsGL();
-      InitializeStaticGLBindingsEGL();
-
-      // 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;
-      break;
-    case kGLImplementationMockGL: {
-      SetGLImplementation(kGLImplementationMockGL);
-      InitializeStaticGLBindingsGL();
-      break;
-    }
-    default:
-      NOTIMPLEMENTED()
-          << "Unsupported GL type for Ozone surface implementation";
-      return false;
-  }
-
-  return true;
-}
-
 bool InitializeDynamicGLBindings(GLImplementation implementation,
                                  GLContext* context) {
   switch (implementation) {
@@ -96,20 +41,6 @@ bool InitializeDynamicGLBindings(GLImplementation implementation,
   return true;
 }
 
-void InitializeDebugGLBindings() {
-  InitializeDebugGLBindingsEGL();
-  InitializeDebugGLBindingsGL();
-  InitializeDebugGLBindingsOSMESA();
-}
-
-void ClearGLBindings() {
-  ClearGLBindingsEGL();
-  ClearGLBindingsGL();
-  ClearGLBindingsOSMESA();
-  SetGLImplementation(kGLImplementationNone);
-  UnloadGLNativeLibraries();
-}
-
 bool GetGLWindowSystemBindingInfo(GLWindowSystemBindingInfo* info) {
   switch (GetGLImplementation()) {
     case kGLImplementationEGLGLES2: