[IME] Support multi profiles in IMF.

1) make the engine map in input ime api as an Profile-key'ed map.
2) move the engine map from IMEBridge to InputMethodManagerImpl, and let IMEBridge only keeps the current engine.
3) make the engine map in InputMethodManagerImpl as an Profile-key'ed map. 

BUG=359066
TEST=Verified on pixel.

Review URL: https://codereview.chromium.org/229633003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@263871 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 11 insertions, 0 deletions

diff --git a/chrome/browser/chromeos/input_method/input_method_manager_impl.h b/chrome/browser/chromeos/input_method/input_method_manager_impl.h
index 5064bef..d357c29 100644
--- a/chrome/browser/chromeos/input_method/input_method_manager_impl.h
+++ b/chrome/browser/chromeos/input_method/input_method_manager_impl.h
@@ -14,6 +14,7 @@
 #include "base/threading/thread_checker.h"
 #include "chrome/browser/chromeos/input_method/candidate_window_controller.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chromeos/ime/input_method_manager.h"
 #include "chromeos/ime/input_method_whitelist.h"
 
@@ -159,6 +160,9 @@ class InputMethodManagerImpl : public InputMethodManager,
   // (after list of enabled input methods has been updated)
   void ReconfigureIMFramework();
 
+  // Gets the current active user profile.
+  Profile* GetProfile() const;
+
   scoped_ptr<InputMethodDelegate> delegate_;
 
   // The current browser status.
@@ -212,6 +216,13 @@ class InputMethodManagerImpl : public InputMethodManager,
 
   base::WeakPtrFactory<InputMethodManagerImpl> weak_ptr_factory_;
 
+  // The engine map:
+  //   { Profile : { input_method_id : Engine } }.
+  typedef std::map<std::string, InputMethodEngineInterface*>
+      EngineMap;
+  typedef std::map<Profile*, EngineMap, ProfileCompare> ProfileEngineMap;
+  ProfileEngineMap profile_engine_map_;
+
   DISALLOW_COPY_AND_ASSIGN(InputMethodManagerImpl);
 };