During image destroy, delete textures only if we have a GL context.

gpu/command_buffer/service/texture_definition.cc

 // Copyright 2014 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 "gpu/command_buffer/service/texture_definition.h"
 
 #include <list>
 
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 12 matching lines @@
 namespace gles2 {
 
 namespace {
 
 class GLImageSync : public gfx::GLImage {
  public:
   explicit GLImageSync(const scoped_refptr<NativeImageBuffer>& buffer,
                        const gfx::Size& size);
 
   // Implement GLImage.
-  virtual void Destroy() OVERRIDE;
+  virtual void Destroy(bool have_context) OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
   virtual bool BindTexImage(unsigned target) OVERRIDE;
   virtual void ReleaseTexImage(unsigned target) OVERRIDE;
   virtual void WillUseTexImage() OVERRIDE;
   virtual void WillModifyTexImage() OVERRIDE;
   virtual void DidModifyTexImage() OVERRIDE;
 
   virtual void DidUseTexImage() OVERRIDE;
   virtual void SetReleaseAfterUse() OVERRIDE;
 
@@ skipping 12 matching lines @@
     : buffer_(buffer), size_(size) {
   if (buffer)
     buffer->AddClient(this);
 }
 
 GLImageSync::~GLImageSync() {
   if (buffer_)
     buffer_->RemoveClient(this);
 }
 
-void GLImageSync::Destroy() {}
+void GLImageSync::Destroy(bool have_context) {
+}
 
 gfx::Size GLImageSync::GetSize() {
   return size_;
 }
 
 bool GLImageSync::BindTexImage(unsigned target) {
   NOTREACHED();
   return false;
 }
 
@@ skipping 396 matching lines @@
 
   // All structural changes should have orphaned the texture.
   if (image_buffer_ && !texture->GetLevelImage(texture->target(), 0))
     return false;
 
   return true;
 }
 
 }  // namespace gles2
 }  // namespace gpu