Convert ARRAYSIZE_UNSAFE -> arraysize in content/.

[email protected]
BUG=423134

Review URL: https://codereview.chromium.org/654403002

Cr-Commit-Position: refs/heads/master@{#299850}
diff --git a/content/test/mock_keyboard_driver_win.cc b/content/test/mock_keyboard_driver_win.cc
index 7979daf..3bac800 100644
--- a/content/test/mock_keyboard_driver_win.cc
+++ b/content/test/mock_keyboard_driver_win.cc
@@ -100,7 +100,7 @@
     {L"00001009", MockKeyboard::LAYOUT_CANADIAN_FRENCH},
   };
 
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kLanguageIDs); ++i) {
+  for (size_t i = 0; i < arraysize(kLanguageIDs); ++i) {
     if (layout == kLanguageIDs[i].keyboard_layout) {
       HKL new_keyboard_layout = LoadKeyboardLayout(kLanguageIDs[i].language,
                                                    KLF_ACTIVATE);
@@ -140,7 +140,7 @@
     {VK_RCONTROL, MockKeyboard::RIGHT_CONTROL},
     {VK_RMENU,    MockKeyboard::RIGHT_ALT},
   };
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kModifierMasks); ++i) {
+  for (size_t i = 0; i < arraysize(kModifierMasks); ++i) {
     const int kKeyDownMask = 0x80;
     if (modifiers & kModifierMasks[i].mask)
       keyboard_states_[kModifierMasks[i].key_code] = kKeyDownMask;