Implement GetTextFromRange(), GetTextRange() and GetSelectionRange() for ArcImeService.

components/arc/ime/arc_ime_bridge_impl.cc

 // Copyright 2016 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 "components/arc/ime/arc_ime_bridge_impl.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 137 matching lines @@
 }
 
 void ArcImeBridgeImpl::OnCancelComposition() {
   delegate_->OnCancelComposition();
 }
 
 void ArcImeBridgeImpl::ShowImeIfNeeded() {
   delegate_->ShowImeIfNeeded();
 }
 
+void ArcImeBridgeImpl::OnCursorRectChangedWithSurroundingText(
+    mojom::CursorRectPtr rect,
+    mojom::TextRangePtr text_range,
+    const std::string& text_in_range,
+    mojom::TextRangePtr selection_range) {
+  delegate_->OnCursorRectChangedWithSurroundingText(
+      gfx::Rect(rect->left, rect->top, rect->right - rect->left,
+                rect->bottom - rect->top),
+      gfx::Range(text_range->start, text_range->end),
+      base::UTF8ToUTF16(text_in_range),
+      gfx::Range(selection_range->start, selection_range->end));
+}
+
 }  // namespace arc