Cleanup: Better constify some strings in chrome/browser/{chromeos,extensions}.

chrome/browser/chromeos/extensions/wallpaper_function_base.cc

Index: chrome/browser/chromeos/extensions/wallpaper_function_base.cc
diff --git a/chrome/browser/chromeos/extensions/wallpaper_function_base.cc b/chrome/browser/chromeos/extensions/wallpaper_function_base.cc
index 1e100c90dc595aac79d27f5da6d518b203e6a063..11f4a0614a58c55936669d85d53266bffda18459 100644
--- a/chrome/browser/chromeos/extensions/wallpaper_function_base.cc
+++ b/chrome/browser/chromeos/extensions/wallpaper_function_base.cc
@@ -16,7 +16,7 @@ namespace wallpaper_api_util {
 namespace {
 
 // Keeps in sync (same order) with WallpaperLayout enum in header file.
-const char* kWallpaperLayoutArrays[] = {
+const char* const kWallpaperLayoutArrays[] = {
   "CENTER",
   "CENTER_CROPPED",
   "STRETCH",
@@ -25,7 +25,7 @@ const char* kWallpaperLayoutArrays[] = {
 
 const int kWallpaperLayoutCount = arraysize(kWallpaperLayoutArrays);
 
-} // namespace
+}  // namespace
 
 const char kCancelWallpaperMessage[] = "Set wallpaper was canceled.";