gcc 4.6 warnings cleanup

ui/gfx/surface/accelerated_surface_linux.cc

 // Copyright (c) 2011 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/gfx/surface/accelerated_surface_linux.h"
 
 #include <X11/Xlib.h>
 
 #include "third_party/angle/include/EGL/egl.h"
 #include "third_party/angle/include/EGL/eglext.h"
 #include "ui/gfx/gl/gl_surface_egl.h"
 #include "ui/gfx/gl/gl_bindings.h"
 
 AcceleratedSurface::AcceleratedSurface(const gfx::Size& size)
     : size_(size) {
   Display* dpy = gfx::GLSurfaceEGL::GetNativeDisplay();
   EGLDisplay edpy = gfx::GLSurfaceEGL::GetHardwareDisplay();
 
   XID window = XDefaultRootWindow(dpy);
   XWindowAttributes gwa;
   XGetWindowAttributes(dpy, window, &gwa);
   pixmap_ = XCreatePixmap(
       dpy, window, size_.width(), size_.height(), gwa.depth);
 
   image_ = eglCreateImageKHR(
-      edpy, EGL_NO_CONTEXT, EGL_NATIVE_PIXMAP_KHR, (void*) pixmap_, NULL);
+      edpy, EGL_NO_CONTEXT, EGL_NATIVE_PIXMAP_KHR,
+      reinterpret_cast<void*>(pixmap_), NULL);
 
   glGenTextures(1, &texture_);
 
   GLint current_texture = 0;
   glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_texture);
 
   glBindTexture(GL_TEXTURE_2D, texture_);
   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
   glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
   glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image_);
 
   glBindTexture(GL_TEXTURE_2D, current_texture);
 }
 
 AcceleratedSurface::~AcceleratedSurface() {
   glDeleteTextures(1, &texture_);
   eglDestroyImageKHR(gfx::GLSurfaceEGL::GetHardwareDisplay(), image_);
   XFreePixmap(gfx::GLSurfaceEGL::GetNativeDisplay(), pixmap_);
 }