Remove code duplication in CreateWithSharedMemory.

base/metrics/persistent_histogram_allocator.cc

Index: base/metrics/persistent_histogram_allocator.cc
diff --git a/base/metrics/persistent_histogram_allocator.cc b/base/metrics/persistent_histogram_allocator.cc
index a0e38716161934184fb79ca1e8bc94c38646f655..98a8498c237800cc430c1b283f37af3054da9a34 100644
--- a/base/metrics/persistent_histogram_allocator.cc
+++ b/base/metrics/persistent_histogram_allocator.cc
@@ -799,7 +799,7 @@ void GlobalHistogramAllocator::CreateWithSharedMemory(
   DCHECK_LE(memory->mapped_size(), size);
   Set(WrapUnique(
       new GlobalHistogramAllocator(MakeUnique<SharedPersistentMemoryAllocator>(
-          std::move(memory), 0, StringPiece(), /*readonly=*/false))));
+          std::move(memory), id, name, /*readonly=*/false))));
 }
 
 // static
@@ -808,15 +808,7 @@ void GlobalHistogramAllocator::CreateWithSharedMemoryHandle(
     size_t size) {
   std::unique_ptr<SharedMemory> shm(
       new SharedMemory(handle, /*readonly=*/false));
-  if (!shm->Map(size) ||
-      !SharedPersistentMemoryAllocator::IsSharedMemoryAcceptable(*shm)) {
-    NOTREACHED();
-    return;
-  }
-
-  Set(WrapUnique(
-      new GlobalHistogramAllocator(MakeUnique<SharedPersistentMemoryAllocator>(
-          std::move(shm), 0, StringPiece(), /*readonly=*/false))));
+  CreateWithSharedMemory(std::move(shm), size, 0, StringPiece());
 }
 
 // static