Remove GLImage::Destroy().

ui/gl/gl_image_ref_counted_memory.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 "ui/gl/gl_image_ref_counted_memory.h"
 
 #include <stddef.h>
 
 #include "base/logging.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/trace_event/memory_allocator_dump.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/process_memory_dump.h"
 #include "ui/gfx/buffer_format_util.h"
 
 namespace gl {
 
 GLImageRefCountedMemory::GLImageRefCountedMemory(const gfx::Size& size,
                                                  unsigned internalformat)
     : GLImageMemory(size, internalformat) {}
 
-GLImageRefCountedMemory::~GLImageRefCountedMemory() {
-  DCHECK(!ref_counted_memory_.get());
-}
+GLImageRefCountedMemory::~GLImageRefCountedMemory() {}
 
 bool GLImageRefCountedMemory::Initialize(
     base::RefCountedMemory* ref_counted_memory,
     gfx::BufferFormat format) {
   if (!GLImageMemory::Initialize(
           ref_counted_memory->front(), format,
           gfx::RowSizeForBufferFormat(GetSize().width(), format, 0))) {
     return false;
   }
 
   DCHECK(!ref_counted_memory_.get());
   ref_counted_memory_ = ref_counted_memory;
   return true;
 }
 
-void GLImageRefCountedMemory::Destroy(bool have_context) {
-  GLImageMemory::Destroy(have_context);
-  ref_counted_memory_ = nullptr;
-}
-
 void GLImageRefCountedMemory::OnMemoryDump(
     base::trace_event::ProcessMemoryDump* pmd,
     uint64_t process_tracing_id,
     const std::string& dump_name) {
   // Log size 0 if |ref_counted_memory_| has been released.
   size_t size_in_bytes = ref_counted_memory_ ? ref_counted_memory_->size() : 0;
 
   // Dump under "/private_memory", as the base class may also dump to
   // "/texture_memory".
   base::trace_event::MemoryAllocatorDump* dump =
       pmd->CreateAllocatorDump(dump_name + "/private_memory");
   dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
                   base::trace_event::MemoryAllocatorDump::kUnitsBytes,
                   static_cast<uint64_t>(size_in_bytes));
 
   pmd->AddSuballocation(dump->guid(),
                         base::trace_event::MemoryDumpManager::GetInstance()
                             ->system_allocator_pool_name());
 }
 
 }  // namespace gl