Implement chrome.input.ime.setComposition/commitText API.

chrome/browser/chromeos/input_method/input_method_engine.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/input_method/input_method_engine.h"
 
 #include <utility>
 
 #undef FocusIn
 #undef FocusOut
@@ skipping 326 matching lines @@
         case MENU_ITEM_STYLE_SEPARATOR:
           // TODO(nona): Implement it.
           break;
       }
     }
   }
 
   // TODO(nona): Support item.children.
 }
 
+void InputMethodEngine::UpdateComposition(
+    const ui::CompositionText& composition_text,
+    uint32_t cursor_pos,
+    bool is_visible) {
+  ui::IMEInputContextHandlerInterface* input_context =
+      ui::IMEBridge::Get()->GetInputContextHandler();
+  if (input_context)
+    input_context->UpdateCompositionText(composition_text, cursor_pos,
+                                         is_visible);
+}
+
+void InputMethodEngine::CommitTextToInputContext(int context_id,
+                                                 const std::string& text) {
+  ui::IMEBridge::Get()->GetInputContextHandler()->CommitText(text);
+
+  // Records histograms for committed characters.
+  if (!composition_text_->text.empty()) {
+    base::string16 wtext = base::UTF8ToUTF16(text);
+    UMA_HISTOGRAM_CUSTOM_COUNTS("InputMethod.CommitLength", wtext.length(), 1,
+                                25, 25);
+    composition_text_.reset(new ui::CompositionText());
+  }
+}
+
 }  // namespace chromeos