Remove GLImage::Destroy().

ui/gl/gl_image_glx.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.
 
 extern "C" {
 #include <X11/Xlib.h>
 }
 
 #include <memory>
 
@@ skipping 86 matching lines @@
 
   return size;
 }
 
 }  // namespace
 
 GLImageGLX::GLImageGLX(const gfx::Size& size, unsigned internalformat)
     : glx_pixmap_(0), size_(size), internalformat_(internalformat) {}
 
 GLImageGLX::~GLImageGLX() {
-  DCHECK_EQ(0u, glx_pixmap_);
+  if (glx_pixmap_)
+    glXDestroyGLXPixmap(gfx::GetXDisplay(), glx_pixmap_);
 }
 
 bool GLImageGLX::Initialize(XID pixmap) {
   if (!GLSurfaceGLX::IsTextureFromPixmapSupported()) {
     DVLOG(0) << "GLX_EXT_texture_from_pixmap not supported.";
     return false;
   }
 
   if (!ValidFormat(internalformat_)) {
     DVLOG(0) << "Invalid format: " << internalformat_;
@@ skipping 27 matching lines @@
   glx_pixmap_ = glXCreatePixmap(gfx::GetXDisplay(), *config.get(), pixmap,
                                 pixmap_attribs);
   if (!glx_pixmap_) {
     DVLOG(0) << "glXCreatePixmap failed.";
     return false;
   }
 
   return true;
 }
 
-void GLImageGLX::Destroy(bool have_context) {
-  if (glx_pixmap_) {
-    glXDestroyGLXPixmap(gfx::GetXDisplay(), glx_pixmap_);
-    glx_pixmap_ = 0;
-  }
-}
-
 gfx::Size GLImageGLX::GetSize() {
   return size_;
 }
 
 unsigned GLImageGLX::GetInternalFormat() { return internalformat_; }
 
 bool GLImageGLX::BindTexImage(unsigned target) {
   if (!glx_pixmap_)
     return false;
 
@@ skipping 30 matching lines @@
   return false;
 }
 
 void GLImageGLX::OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
                               uint64_t process_tracing_id,
                               const std::string& dump_name) {
   // TODO(ericrk): Implement GLImage OnMemoryDump. crbug.com/514914
 }
 
 }  // namespace gl