libchromeos: Cleaned up code with clang-format

Ran clang-format to bring the source code formatting in libchromeos
closer to the official Chromium coding style.

BUG=None
TEST=FEATURES=test emerge-link libchromeos

Change-Id: I68cfcdd517711050e30ebfff7d848054df42d125
Reviewed-on: https://chromium-review.googlesource.com/240430
Trybot-Ready: Alex Vakulenko <avakulenko@chromium.org>
Tested-by: Alex Vakulenko <avakulenko@chromium.org>
Reviewed-by: Vitaly Buka <vitalybuka@chromium.org>
Reviewed-by: Christopher Wiley <wiley@chromium.org>
Commit-Queue: Alex Vakulenko <avakulenko@chromium.org>
diff --git a/chromeos/key_value_store_unittest.cc b/chromeos/key_value_store_unittest.cc
index 81bc4a0..668cdff 100644
--- a/chromeos/key_value_store_unittest.cc
+++ b/chromeos/key_value_store_unittest.cc
@@ -58,9 +58,12 @@
   ASSERT_EQ(blob.size(), base::WriteFile(temp_file_, blob.data(), blob.size()));
   EXPECT_TRUE(store_.Load(temp_file_));
 
-  map<string, string> expected = {
-      {"A", "B"}, {"C", ""}, {"", ""}, {"FOO", "BAR=BAZ"}, {"BAR", "BAX"},
-      {"MISSING", "NEWLINE"}};
+  map<string, string> expected = {{"A", "B"},
+                                  {"C", ""},
+                                  {"", ""},
+                                  {"FOO", "BAR=BAZ"},
+                                  {"BAR", "BAX"},
+                                  {"MISSING", "NEWLINE"}};
 
   // Test expected values
   string value;