DO NOT COMMIT (will be split in sub-components) - clang-tidy WaitableEvent refactor

components/mus/gles2/command_buffer_local.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 "components/mus/gles2/command_buffer_local.h"
 
 #include "base/atomic_sequence_num.h"
 #include "base/bind.h"
 #include "base/memory/shared_memory.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 83 matching lines @@
   // and it will be deleted on the GPU thread. So we have to detach it from the
   // client thread first.
   DetachFromThread();
 
   weak_factory_.InvalidateWeakPtrs();
   // CommandBufferLocal is initialized on the GPU thread with
   // InitializeOnGpuThread(), so we need delete memebers on the GPU thread
   // too. Additionally we need to make sure we are deleted before returning,
   // otherwise we may attempt to use the AcceleratedWidget which has since been
   // destroyed.
-  base::WaitableEvent event(true, false);
+  base::WaitableEvent event(base::WaitableEvent::ResetPolicy::MANUAL,
+                            base::WaitableEvent::InitialState::NOT_SIGNALED);
   gpu_state_->command_buffer_task_runner()->PostTask(
       driver_.get(), base::Bind(&CommandBufferLocal::DeleteOnGpuThread,
                                 base::Unretained(this), &event));
   event.Wait();
 }
 
 bool CommandBufferLocal::Initialize() {
   DCHECK(CalledOnValidThread());
   base::ThreadRestrictions::ScopedAllowWait allow_wait;
-  base::WaitableEvent event(true, false);
+  base::WaitableEvent event(base::WaitableEvent::ResetPolicy::MANUAL,
+                            base::WaitableEvent::InitialState::NOT_SIGNALED);
   bool result = false;
   gpu_state_->command_buffer_task_runner()->task_runner()->PostTask(
       FROM_HERE,
       base::Bind(&CommandBufferLocal::InitializeOnGpuThread,
                  base::Unretained(this), base::Unretained(&event),
                  base::Unretained(&result)));
   event.Wait();
   return result;
 }
 
@@ skipping 299 matching lines @@
 
 CommandBufferLocal::~CommandBufferLocal() {}
 
 void CommandBufferLocal::TryUpdateState() {
   if (last_state_.error == gpu::error::kNoError)
     shared_state()->Read(&last_state_);
 }
 
 void CommandBufferLocal::MakeProgressAndUpdateState() {
   base::ThreadRestrictions::ScopedAllowWait allow_wait;
-  base::WaitableEvent event(true, false);
+  base::WaitableEvent event(base::WaitableEvent::ResetPolicy::MANUAL,
+                            base::WaitableEvent::InitialState::NOT_SIGNALED);
   gpu::CommandBuffer::State state;
   gpu_state_->command_buffer_task_runner()->PostTask(
       driver_.get(),
       base::Bind(&CommandBufferLocal::MakeProgressOnGpuThread,
                  base::Unretained(this), base::Unretained(&event),
                  base::Unretained(&state)));
   event.Wait();
   if (state.generation - last_state_.generation < 0x80000000U)
     last_state_ = state;
 }
@@ skipping 128 matching lines @@
     client_->UpdateVSyncParameters(timebase, interval);
 }
 
 void CommandBufferLocal::OnGpuCompletedSwapBuffersOnClientThread(
     gfx::SwapResult result) {
   if (client_)
     client_->GpuCompletedSwapBuffers(result);
 }
 
 }  // namespace mus