Extract unit tests from the mixed bag process_util_unittest.cc into proper files.

base/process/process_metrics_unittest_ios.cc

Index: base/process/process_metrics_unittest_ios.cc
diff --git a/base/process/process_util_unittest_ios.cc b/base/process/process_metrics_unittest_ios.cc
similarity index 92%
rename from base/process/process_util_unittest_ios.cc
rename to base/process/process_metrics_unittest_ios.cc
index cad0f1b09f0b24ebe70c61866dcfa3cf8f073549..df1a266e837fabe324fca6e76e8d12ba56cf681f 100644
--- a/base/process/process_util_unittest_ios.cc
+++ b/base/process/process_metrics_unittest_ios.cc
@@ -2,11 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/memory/scoped_ptr.h"
 #include "base/process/process_metrics.h"
+
+#include "base/memory/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-TEST(ProcessUtilTestIos, Memory) {
+TEST(ProcessMetricsTestIos, Memory) {
   scoped_ptr<base::ProcessMetrics> process_metrics(
       base::ProcessMetrics::CreateProcessMetrics(
           base::GetCurrentProcessHandle()));