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

ui/gl/gl_gl_api_implementation.h

 // 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.
 
 #ifndef UI_GL_GL_GL_API_IMPLEMENTATION_H_
 #define UI_GL_GL_GL_API_IMPLEMENTATION_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_export.h"
 
 namespace base {
 class CommandLine;
 }
 namespace gpu {
 namespace gles2 {
 class GLES2Decoder;
 }
 }
 namespace gl {
 
 class GLContext;
 class GLSurface;
 struct GLVersionInfo;
 
-GL_EXPORT void InitializeStaticGLBindingsGL();
+void InitializeStaticGLBindingsGL();
 void InitializeDynamicGLBindingsGL(GLContext* context);
-GL_EXPORT void InitializeDebugGLBindingsGL();
+void InitializeDebugGLBindingsGL();
 void InitializeNullDrawGLBindingsGL();
 // TODO(danakj): Remove this when all test suites are using null-draw.
 bool HasInitializedNullDrawGLBindingsGL();
 bool SetNullDrawGLBindingsEnabledGL(bool enabled);
-GL_EXPORT void ClearGLBindingsGL();
+void ClearGLBindingsGL();
 void SetGLToRealGLApi();
 void SetGLApi(GLApi* api);
 void SetGLApiToNoContext();
 GLApi* GetCurrentGLApi();
 const GLVersionInfo* GetGLVersionInfo();
 
 class GL_EXPORT GLApiBase : public GLApi {
  public:
   // Include the auto-generated part of this class. We split this because
   // it means we can easily edit the non-auto generated parts right here in
@@ skipping 93 matching lines @@
   GLContext* current_context_;
 
   // The supported extensions being advertised for this virtual context.
   std::string extensions_;
   std::vector<std::string> extensions_vec_;
 };
 
 }  // namespace gl
 
 #endif  // UI_GL_GL_GL_API_IMPLEMENTATION_H_