gl: Move platform-specific EGL code into separate files

ui/gl/gl_surface_x11.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_surface.h"
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "third_party/mesa/src/include/GL/osmesa.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_surface_egl.h"
 #include "ui/gl/gl_surface_glx.h"
 #include "ui/gl/gl_surface_osmesa.h"
 #include "ui/gl/gl_surface_stub.h"
 
 namespace gfx {
 
+namespace {
+
+EGLNativeDisplayType GetEGLDisplay() {
+  return base::MessagePumpForUI::GetDefaultXDisplay();
+}
+
+}  // namesapce
+
 // This OSMesa GL surface can use XLib to swap the contents of the buffer to a
 // view.
 class NativeViewGLSurfaceOSMesa : public GLSurfaceOSMesa {
  public:
   explicit NativeViewGLSurfaceOSMesa(gfx::AcceleratedWidget window);
 
   static bool InitializeOneOff();
 
   // Implement a subset of GLSurface.
   virtual bool Initialize() OVERRIDE;
@@ skipping 25 matching lines @@
         return false;
       }
       break;
     case kGLImplementationOSMesaGL:
       if (!NativeViewGLSurfaceOSMesa::InitializeOneOff()) {
         LOG(ERROR) << "NativeViewGLSurfaceOSMesa::InitializeOneOff failed.";
         return false;
       }
       break;
     case kGLImplementationEGLGLES2:
-      if (!GLSurfaceEGL::InitializeOneOff()) {
+      if (!GLSurfaceEGL::InitializeOneOff(GetEGLDisplay())) {
         LOG(ERROR) << "GLSurfaceEGL::InitializeOneOff failed.";
         return false;
       }
       break;
     default:
       break;
   }
 
   return true;
 }
@@ skipping 259 matching lines @@
     }
     case kGLImplementationMockGL:
       return new GLSurfaceStub;
     default:
       NOTREACHED();
       return NULL;
   }
 }
 
 }  // namespace gfx