Update Context Client Visibility to use Scoped Pattern

blimp/client/feature/compositor/blimp_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 "blimp/client/feature/compositor/blimp_context_provider.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/lazy_instance.h"
 #include "gpu/command_buffer/client/gl_in_process_context.h"
@@ skipping 77 matching lines @@
   gr_context_.reset(new skia_bindings::GrContextForGLES2Interface(ContextGL()));
 
   return gr_context_->get();
 }
 
 void BlimpContextProvider::InvalidateGrContext(uint32_t state) {
   DCHECK(context_thread_checker_.CalledOnValidThread());
 
   if (gr_context_)
     gr_context_->ResetContext(state);
+
+  ContextSupport()->TrimResources();

[danakj, 2016/08/24 20:12:49]

Did you mean to put this is DeleteCachedResources?

[ericrk, 2016/08/24 21:58:52]

I absolutely did

 }
 
 base::Lock* BlimpContextProvider::GetLock() {
   // This context provider is not used on multiple threads.
   NOTREACHED();
   return nullptr;
 }
 
 void BlimpContextProvider::DeleteCachedResources() {
   DCHECK(context_thread_checker_.CalledOnValidThread());
@@ skipping 17 matching lines @@
 }
 
 uint32_t BlimpContextProvider::GetCopyTextureInternalFormat() {
   // The attributes used to create the context in the constructor specify
   // an alpha channel.
   return GL_RGBA;
 }
 
 }  // namespace client
 }  // namespace blimp