Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/input_method/mock_input_method_manager.cc

Index: chrome/browser/chromeos/input_method/mock_input_method_manager.cc
diff --git a/chrome/browser/chromeos/input_method/mock_input_method_manager.cc b/chrome/browser/chromeos/input_method/mock_input_method_manager.cc
index 5f14a89b905d1c77f0c93fc3f44b17c17c7a1e5a..2ee0915d99ba0b2b862d34cb961e9a6c8b1243fd 100644
--- a/chrome/browser/chromeos/input_method/mock_input_method_manager.cc
+++ b/chrome/browser/chromeos/input_method/mock_input_method_manager.cc
@@ -56,17 +56,17 @@ void MockInputMethodManager::RemoveCandidateWindowObserver(
 void MockInputMethodManager::RemoveImeMenuObserver(
     InputMethodManager::ImeMenuObserver* observer) {}
 
-scoped_ptr<InputMethodDescriptors>
+std::unique_ptr<InputMethodDescriptors>
 MockInputMethodManager::GetSupportedInputMethods() const {
-  scoped_ptr<InputMethodDescriptors> result(new InputMethodDescriptors);
+  std::unique_ptr<InputMethodDescriptors> result(new InputMethodDescriptors);
   result->push_back(
       InputMethodUtil::GetFallbackInputMethodDescriptor());
   return result;
 }
 
-scoped_ptr<InputMethodDescriptors>
+std::unique_ptr<InputMethodDescriptors>
 MockInputMethodManager::State::GetActiveInputMethods() const {
-  scoped_ptr<InputMethodDescriptors> result(new InputMethodDescriptors);
+  std::unique_ptr<InputMethodDescriptors> result(new InputMethodDescriptors);
   result->push_back(
       InputMethodUtil::GetFallbackInputMethodDescriptor());
   return result;
@@ -202,7 +202,7 @@ ComponentExtensionIMEManager*
 }
 
 void MockInputMethodManager::SetComponentExtensionIMEManager(
-    scoped_ptr<ComponentExtensionIMEManager> comp_ime_manager) {
+    std::unique_ptr<ComponentExtensionIMEManager> comp_ime_manager) {
   comp_ime_manager_ = std::move(comp_ime_manager);
 }