Switch ChromeTestSuite to the same convention as ContentTestSuite:

chrome/browser/chromeos/input_method/input_method_util_unittest.cc

Index: chrome/browser/chromeos/input_method/input_method_util_unittest.cc
diff --git a/chrome/browser/chromeos/input_method/input_method_util_unittest.cc b/chrome/browser/chromeos/input_method/input_method_util_unittest.cc
index 9befa0f7182a50499cc7a38ecedd063a59ee8292..a49f15513a8dae7787f05ea81a665743fb4bd205 100644
--- a/chrome/browser/chromeos/input_method/input_method_util_unittest.cc
+++ b/chrome/browser/chromeos/input_method/input_method_util_unittest.cc
@@ -8,7 +8,6 @@
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
-#include "chrome/test/base/testing_browser_process_test.h"
 #include "grit/generated_resources.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -25,7 +24,7 @@ InputMethodDescriptor GetDesc(const std::string& id,
 }
 }  // namespace
 
-class InputMethodUtilTest : public TestingBrowserProcessTest {
+class InputMethodUtilTest : public testing::Test {
  public:
   static void SetUpTestCase() {
     // Reload the internal maps before running tests, with the stub