Supports multiple profile in Chrome OS IMF.

chrome/browser/chromeos/input_method/input_method_manager_impl.cc

Index: chrome/browser/chromeos/input_method/input_method_manager_impl.cc
diff --git a/chrome/browser/chromeos/input_method/input_method_manager_impl.cc b/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
index 32504e4612e0b47d5e32cb729c8b1841ea7992a6..65de63831918e24c010f0d17ee5ef9a485f3aa03 100644
--- a/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
+++ b/chrome/browser/chromeos/input_method/input_method_manager_impl.cc
@@ -445,7 +445,7 @@ void InputMethodManagerImpl::StateImpl::AddInputMethodExtension(
 
   DCHECK(engine);
 
-  manager_->engine_map_[extension_id] = engine;
+  manager_->engine_map_[profile][extension_id] = engine;
 
   bool contain = false;
   for (size_t i = 0; i < descriptors.size(); i++) {
@@ -502,10 +502,10 @@ void InputMethodManagerImpl::StateImpl::RemoveInputMethodExtension(
 
   if (IsActive()) {
     if (IMEBridge::Get()->GetCurrentEngineHandler() ==
-        manager_->engine_map_[extension_id]) {
+        manager_->engine_map_[profile][extension_id]) {
       IMEBridge::Get()->SetCurrentEngineHandler(NULL);
     }
-    manager_->engine_map_.erase(extension_id);
+    manager_->engine_map_[profile].erase(extension_id);
   }
 
   // If |current_input_method| is no longer in |active_input_method_ids|,
@@ -1009,7 +1009,7 @@ void InputMethodManagerImpl::ChangeInputMethodInternal(
       extension_ime_util::GetExtensionIDFromInputMethodID(descriptor.id());
   const std::string& component_id =
       extension_ime_util::GetComponentIDByInputMethodID(descriptor.id());
-  engine = engine_map_[extension_id];
+  engine = engine_map_[ProfileManager::GetActiveUserProfile()][extension_id];

[Shu Chen, 2015/05/08 07:56:48]

After cl https://codereview.chromium.org/1055863002/ is landed, here can use the
passed-in |profile| instead of getting the active profile.

 
   IMEBridge::Get()->SetCurrentEngineHandler(engine);