Remove ContextProvider::IsContextLost.

content/browser/android/in_process/context_provider_in_process.cc

 // Copyright (c) 2013 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 "content/browser/android/in_process/context_provider_in_process.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/strings/stringprintf.h"
 #include "cc/output/managed_memory_policy.h"
@@ skipping 158 matching lines @@
 }
 
 void ContextProviderInProcess::SetupLock() {
   context3d_->SetLock(&context_lock_);
 }
 
 base::Lock* ContextProviderInProcess::GetLock() {
   return &context_lock_;
 }
 
-bool ContextProviderInProcess::IsContextLost() {
-  DCHECK(lost_context_callback_proxy_);  // Is bound to thread.
-  DCHECK(context_thread_checker_.CalledOnValidThread());
-
-  return context3d_->isContextLost();
-}
-
 void ContextProviderInProcess::VerifyContexts() {
   DCHECK(lost_context_callback_proxy_);  // Is bound to thread.
   DCHECK(context_thread_checker_.CalledOnValidThread());
 
-  if (context3d_->isContextLost())
+  if (ContextGL()->GetGraphicsResetStatusKHR() != GL_NO_ERROR)
     OnLostContext();
 }
 
 void ContextProviderInProcess::DeleteCachedResources() {
   DCHECK(context_thread_checker_.CalledOnValidThread());
 
   if (gr_context_)
     gr_context_->FreeGpuResources();
 }
 
@@ skipping 25 matching lines @@
          lost_context_callback.is_null());
   lost_context_callback_ = lost_context_callback;
 }
 
 void ContextProviderInProcess::SetMemoryPolicyChangedCallback(
     const MemoryPolicyChangedCallback& memory_policy_changed_callback) {
   // There's no memory manager for the in-process implementation.
 }
 
 }  // namespace content