[MacViews] Implemented text context menu

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index 3a417b19029a1274367a2506e6d39bf139e9d010..529da588a21ad237992b8613527ce17c4e8406cb 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -42,6 +42,7 @@
 #include "ui/views/controls/menu/menu_runner.h"
 #include "ui/views/controls/native/native_view_host.h"
 #include "ui/views/controls/textfield/textfield_controller.h"
+#include "ui/views/controls/views_text_services_context_menu.h"
 #include "ui/views/drag_utils.h"
 #include "ui/views/native_cursor.h"
 #include "ui/views/painter.h"
@@ -1079,11 +1080,19 @@ bool Textfield::CanStartDragForView(View* sender,
 ////////////////////////////////////////////////////////////////////////////////
 // Textfield, WordLookupClient overrides:
 
-bool Textfield::GetDecoratedWordAtPoint(const gfx::Point& point,
-                                        gfx::DecoratedText* decorated_word,
-                                        gfx::Point* baseline_point) {
-  return GetRenderText()->GetDecoratedWordAtPoint(point, decorated_word,
-                                                  baseline_point);
+bool Textfield::GetDecoratedWordAndBaselineAtPoint(
+    const gfx::Point& point,
+    gfx::DecoratedText* decorated_word,
+    gfx::Point* baseline_point) {
+  return GetRenderText()->GetDecoratedWordAndBaselineAtPoint(
+      point, decorated_word, baseline_point);
+}
+
+bool Textfield::GetDecoratedTextAndBaselineFromSelection(
+    gfx::DecoratedText* decorated_text,
+    gfx::Point* baseline_point) {
+  return GetRenderText()->GetDecoratedTextAndBaselineForRange(
+      GetRenderText()->selection(), decorated_text, baseline_point);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -1180,10 +1189,20 @@ void Textfield::DestroyTouchSelection() {
 // Textfield, ui::SimpleMenuModel::Delegate overrides:
 
 bool Textfield::IsCommandIdChecked(int command_id) const {
+  if (text_services_context_menu_ &&
+      text_services_context_menu_->HandlesCommandId(command_id)) {
+    return text_services_context_menu_->IsCommandIdChecked(command_id);
+  }
+
   return true;
 }
 
 bool Textfield::IsCommandIdEnabled(int command_id) const {
+  if (text_services_context_menu_ &&
+      text_services_context_menu_->HandlesCommandId(command_id)) {
+    return text_services_context_menu_->IsCommandIdEnabled(command_id);
+  }
+
   return Textfield::IsTextEditCommandEnabled(
       GetTextEditCommandFromMenuCommand(command_id, HasSelection()));
 }
@@ -1217,6 +1236,12 @@ bool Textfield::GetAcceleratorForCommandId(int command_id,
 }
 
 void Textfield::ExecuteCommand(int command_id, int event_flags) {
+  if (text_services_context_menu_ &&
+      text_services_context_menu_->HandlesCommandId(command_id)) {
+    text_services_context_menu_->ExecuteCommand(command_id, event_flags);
+    return;
+  }
+
   Textfield::ExecuteTextEditCommand(
       GetTextEditCommandFromMenuCommand(command_id, HasSelection()));
 }
@@ -1935,6 +1960,11 @@ void Textfield::OnCaretBoundsChanged() {
     GetInputMethod()->OnCaretBoundsChanged(this);
   if (touch_selection_controller_)
     touch_selection_controller_->SelectionChanged();
+
+  // On Mac, the context menu contains a look up item which displays the
+  // selected text. As such, the menu needs to be updated if the selection has
+  // changed.
+  context_menu_contents_.reset();
 }
 
 void Textfield::OnBeforeUserAction() {
@@ -1996,7 +2026,11 @@ void Textfield::UpdateContextMenu() {
     // IsCommandIdEnabled() as appropriate, for the commands added.
     if (controller_)
       controller_->UpdateContextMenu(context_menu_contents_.get());
+
+    text_services_context_menu_ = ViewsTextServicesContextMenu::Create(
+        context_menu_contents_.get(), this);
   }
+
   context_menu_runner_.reset(new MenuRunner(context_menu_contents_.get(),
                                             MenuRunner::HAS_MNEMONICS |
                                                 MenuRunner::CONTEXT_MENU |