Add action for each button on opt-in IME menu.

chrome/browser/chromeos/input_method/input_method_manager_impl_unittest.cc

Index: chrome/browser/chromeos/input_method/input_method_manager_impl_unittest.cc
diff --git a/chrome/browser/chromeos/input_method/input_method_manager_impl_unittest.cc b/chrome/browser/chromeos/input_method/input_method_manager_impl_unittest.cc
index 745551f621b99d687dfaddc1b0f3853885373481..9135feb93e3629fbdbb0b96b73c65e237bcb773e 100644
--- a/chrome/browser/chromeos/input_method/input_method_manager_impl_unittest.cc
+++ b/chrome/browser/chromeos/input_method/input_method_manager_impl_unittest.cc
@@ -36,6 +36,7 @@
 #include "ui/chromeos/ime/input_method_menu_item.h"
 #include "ui/chromeos/ime/input_method_menu_manager.h"
 #include "ui/events/keycodes/keyboard_codes.h"
+#include "ui/keyboard/content/keyboard_content_util.h"
 
 namespace chromeos {
 
@@ -1409,5 +1410,32 @@ TEST_F(InputMethodManagerImplTest, MigrateInputMethodTest) {
   EXPECT_EQ(ImeIdFromEngineId("zh-t-i0-pinyin"), input_method_ids[3]);
 }
 
+TEST_F(InputMethodManagerImplTest, OverrideKeyboardRefWithEmoji) {
+  GURL inputview_url(
+      "chrome-extension://"
+      "inputview.html#id=us.compact.qwerty&language=en-US&passwordLayout=us."
+      "compact.qwerty&name=keyboard_us");
+  keyboard::SetOverrideContentUrl(inputview_url);
+
+  EXPECT_EQ(inputview_url, keyboard::GetOverrideContentUrl());
+
+  manager_->OverrideKeyboardRef("emoji");
+  GURL overridden_url(
+      "chrome-extension://"
+      "inputview.html#id=emoji&language=en-US&passwordLayout=us."
+      "compact.qwerty&name=keyboard_us");
+  EXPECT_EQ(overridden_url, keyboard::GetOverrideContentUrl());
+}
+
+TEST_F(InputMethodManagerImplTest, OverrideDefaultKeyboardRef) {
+  GURL default_url_("chrome://inputview.html");

[James Cook, 2016/09/14 21:14:28]

nit: no trailing _ for local variable

[Azure Wei, 2016/09/15 03:44:51]

Done.

+  keyboard::SetOverrideContentUrl(default_url_);
+
+  EXPECT_EQ(default_url_, keyboard::GetOverrideContentUrl());

[James Cook, 2016/09/14 21:14:28]

optional: it's OK to copy/paste strings in tests if you don't want to use a
local

Or you could make the GURL const

Just for fun, some notes about URLs in tests: go/tott-338

+
+  manager_->OverrideKeyboardRef("emoji");
+  EXPECT_EQ(default_url_, keyboard::GetOverrideContentUrl());
+}
+
 }  // namespace input_method
 }  // namespace chromeos