Update legacy Tuple-using code.

content/common/gpu/gpu_channel.cc

 // Copyright (c) 2012 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.
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "content/common/gpu/gpu_channel.h"
 
@@ skipping 93 matching lines @@
 
     bool handled = false;
     if ((message.type() == GpuCommandBufferMsg_RetireSyncPoint::ID) &&
         !future_sync_points_) {
       DLOG(ERROR) << "Untrusted client should not send "
                      "GpuCommandBufferMsg_RetireSyncPoint message";
       return true;
     }
 
     if (message.type() == GpuCommandBufferMsg_InsertSyncPoint::ID) {
-      Tuple1<bool> retire;
+      Tuple<bool> retire;
       IPC::Message* reply = IPC::SyncMessage::GenerateReply(&message);
       if (!GpuCommandBufferMsg_InsertSyncPoint::ReadSendParam(&message,
                                                               &retire)) {
         reply->set_reply_error();
         Send(reply);
         return true;
       }
-      if (!future_sync_points_ && !retire.a) {
+      if (!future_sync_points_ && !get<0>(retire)) {
         LOG(ERROR) << "Untrusted contexts can't create future sync points";
         reply->set_reply_error();
         Send(reply);
         return true;
       }
       uint32 sync_point = sync_point_manager_->GenerateSyncPoint();
       GpuCommandBufferMsg_InsertSyncPoint::WriteReplyParams(reply, sync_point);
       Send(reply);
       message_loop_->PostTask(
           FROM_HERE,
           base::Bind(&GpuChannelMessageFilter::InsertSyncPointOnMainThread,
                      gpu_channel_,
                      sync_point_manager_,
                      message.routing_id(),
-                     retire.a,
+                     get<0>(retire),
                      sync_point));
       handled = true;
     }
 
     // All other messages get processed by the GpuChannel.
     messages_forwarded_to_channel_++;
     if (preempting_flag_.get())
       pending_messages_.push(PendingMessage(messages_forwarded_to_channel_));
     UpdatePreemptionState();
 
@@ skipping 724 matching lines @@
     }
   }
 }
 
 void GpuChannel::HandleUpdateValueState(
     unsigned int target, const gpu::ValueState& state) {
   pending_valuebuffer_state_->UpdateState(target, state);
 }
 
 }  // namespace content