DisjoingRangeLockManager::Lock move constructor/assign operator cannot be noexcept

They depend on LockRequest, that depends on WeakPtr, none of them noexcept.

Bug: 819294
Change-Id: I04ec15901ca627358df727540597f21f135c129b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1646252Reviewed-by: Joshua Bell <jsbell@chromium.org>
Commit-Queue: José Dapena Paz <jose.dapena@lge.com>
Cr-Commit-Position: refs/heads/master@{#667260}

content/browser/indexed_db/scopes/disjoint_range_lock_manager.cc

@@ -19,14 +19,13 @@ DisjointRangeLockManager::LockRequest::LockRequest(
     : requested_type(type),
       locks_holder(std::move(locks_holder)),
       acquired_callback(std::move(acquired_callback)) {}
-DisjointRangeLockManager::LockRequest::LockRequest(LockRequest&&) noexcept =
-    default;
+DisjointRangeLockManager::LockRequest::LockRequest(LockRequest&&) = default;
 DisjointRangeLockManager::LockRequest::~LockRequest() = default;
 DisjointRangeLockManager::Lock::Lock() = default;
-DisjointRangeLockManager::Lock::Lock(Lock&&) noexcept = default;
+DisjointRangeLockManager::Lock::Lock(Lock&&) = default;
 DisjointRangeLockManager::Lock::~Lock() = default;
 DisjointRangeLockManager::Lock& DisjointRangeLockManager::Lock::operator=(
-    DisjointRangeLockManager::Lock&&) noexcept = default;
+    DisjointRangeLockManager::Lock&&) = default;
 
 DisjointRangeLockManager::DisjointRangeLockManager(int level_count)
     : task_runner_(base::SequencedTaskRunnerHandle::Get()),