[base] Replace Contains{Key,Value} with Contains in //ipc

This change replaces usages of base::ContainsKey() and base::ContainsValue()
with base::Contains() in //ipc.

Reproduction:
 - sed -i 's/\bbase::ContainsKey\b/base::Contains/g'
 - sed -i 's/\bbase::ContainsValue\b/base::Contains/g'
 - git cl format

This CL was uploaded by git cl split.

[email protected]

Bug: 970209
Change-Id: Ic4d52830490eda6fc3aca546f390a2287142c7c0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1648341
Reviewed-by: Jan Wilken Dörrie <[email protected]>
Commit-Queue: Jan Wilken Dörrie <[email protected]>
Auto-Submit: Jan Wilken Dörrie <[email protected]>
Cr-Commit-Position: refs/heads/master@{#667054}
diff --git a/ipc/ipc_channel_proxy.cc b/ipc/ipc_channel_proxy.cc
index 11ac875..5abff39 100644
--- a/ipc/ipc_channel_proxy.cc
+++ b/ipc/ipc_channel_proxy.cc
@@ -340,7 +340,7 @@
   DCHECK(default_listener_task_runner_->BelongsToCurrentThread());
   DCHECK(task_runner);
   base::AutoLock lock(listener_thread_task_runners_lock_);
-  if (!base::ContainsKey(listener_thread_task_runners_, routing_id))
+  if (!base::Contains(listener_thread_task_runners_, routing_id))
     listener_thread_task_runners_.insert({routing_id, std::move(task_runner)});
 }
 
@@ -348,7 +348,7 @@
 void ChannelProxy::Context::RemoveListenerTaskRunner(int32_t routing_id) {
   DCHECK(default_listener_task_runner_->BelongsToCurrentThread());
   base::AutoLock lock(listener_thread_task_runners_lock_);
-  if (base::ContainsKey(listener_thread_task_runners_, routing_id))
+  if (base::Contains(listener_thread_task_runners_, routing_id))
     listener_thread_task_runners_.erase(routing_id);
 }