cc: Implement shared worker contexts. (v1)

android_webview/browser/aw_render_thread_context_provider.cc

 // Copyright 2015 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 "android_webview/browser/aw_render_thread_context_provider.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/lazy_instance.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 30 matching lines @@
 scoped_refptr<AwRenderThreadContextProvider>
 AwRenderThreadContextProvider::Create(
     scoped_refptr<gfx::GLSurface> surface,
     scoped_refptr<gpu::InProcessCommandBuffer::Service> service) {
   return new AwRenderThreadContextProvider(surface, service);
 }
 
 AwRenderThreadContextProvider::AwRenderThreadContextProvider(
     scoped_refptr<gfx::GLSurface> surface,
     scoped_refptr<gpu::InProcessCommandBuffer::Service> service)
-    : destroyed_(false) {
+    : lost_(false) {
   DCHECK(main_thread_checker_.CalledOnValidThread());
 
   blink::WebGraphicsContext3D::Attributes attributes;
   attributes.antialias = false;
   attributes.depth = false;
   attributes.stencil = false;
   attributes.shareResources = true;
   attributes.noAutomaticFlushes = true;
   gpu::gles2::ContextCreationAttribHelper attribs_for_gles2;
   gpu_blink::WebGraphicsContext3DImpl::ConvertAttributes(attributes,
@@ skipping 101 matching lines @@
 void AwRenderThreadContextProvider::DeleteCachedResources() {
   DCHECK(main_thread_checker_.CalledOnValidThread());
 
   if (gr_context_) {
     TRACE_EVENT_INSTANT0("gpu", "GrContext::freeGpuResources",
                          TRACE_EVENT_SCOPE_THREAD);
     gr_context_->freeGpuResources();
   }
 }
 
-bool AwRenderThreadContextProvider::DestroyedOnMainThread() {
+bool AwRenderThreadContextProvider::HasBeenLostOnMainThread() {
   DCHECK(main_thread_checker_.CalledOnValidThread());
 
-  return destroyed_;
+  return lost_;
 }
 
 void AwRenderThreadContextProvider::SetLostContextCallback(
     const LostContextCallback& lost_context_callback) {
   lost_context_callback_ = lost_context_callback;
 }
 
 void AwRenderThreadContextProvider::SetMemoryPolicyChangedCallback(
     const MemoryPolicyChangedCallback& memory_policy_changed_callback) {
   // There's no memory manager for the in-process implementation.
 }
 
 void AwRenderThreadContextProvider::OnLostContext() {
   DCHECK(main_thread_checker_.CalledOnValidThread());
 
-  if (destroyed_)
+  if (lost_)
     return;
-  destroyed_ = true;
+  lost_ = true;
 
   if (!lost_context_callback_.is_null())
     base::ResetAndReturn(&lost_context_callback_).Run();
   if (gr_context_)
     gr_context_->abandonContext();
 }
 
+bool AwRenderThreadContextProvider::HasBeenDestroyed() {
+  DCHECK(main_thread_checker_.CalledOnValidThread());
+  return false;
+}
+
 }  // namespace android_webview