replace COMPILE_ASSERT with static_assert in chrome/browser/

chrome/browser/extensions/api/downloads/downloads_api.cc

Index: chrome/browser/extensions/api/downloads/downloads_api.cc
diff --git a/chrome/browser/extensions/api/downloads/downloads_api.cc b/chrome/browser/extensions/api/downloads/downloads_api.cc
index 212943785bc1c9200206db8e4e09e1e5d03873c3..d20aa8c40b6aa27464cfe48b947cf1b0ed31ee1c 100644
--- a/chrome/browser/extensions/api/downloads/downloads_api.cc
+++ b/chrome/browser/extensions/api/downloads/downloads_api.cc
@@ -178,8 +178,8 @@ const char* const kDangerStrings[] = {
   kDangerHost,
   kDangerUnwanted
 };
-COMPILE_ASSERT(arraysize(kDangerStrings) == content::DOWNLOAD_DANGER_TYPE_MAX,
-               download_danger_type_enum_changed);
+static_assert(arraysize(kDangerStrings) == content::DOWNLOAD_DANGER_TYPE_MAX,
+              "kDangerStrings should have DOWNLOAD_DANGER_TYPE_MAX elements");
 
 // Note: Any change to the state strings, should be accompanied by a
 // corresponding change to downloads.json.
@@ -189,8 +189,8 @@ const char* const kStateStrings[] = {
   kStateInterrupted,
   kStateInterrupted,
 };
-COMPILE_ASSERT(arraysize(kStateStrings) == DownloadItem::MAX_DOWNLOAD_STATE,
-               download_item_state_enum_changed);
+static_assert(arraysize(kStateStrings) == DownloadItem::MAX_DOWNLOAD_STATE,
+              "kStateStrings should have MAX_DOWNLOAD_STATE elements");
 
 const char* DangerString(content::DownloadDangerType danger) {
   DCHECK(danger >= 0);