Adds a bubble that asks a user whether to integrate the Spelling service.

chrome/browser/tab_contents/spellchecker_submenu_observer.cc

Index: chrome/browser/tab_contents/spellchecker_submenu_observer.cc
===================================================================
--- chrome/browser/tab_contents/spellchecker_submenu_observer.cc	(revision 108037)
+++ chrome/browser/tab_contents/spellchecker_submenu_observer.cc	(working copy)
@@ -12,9 +12,11 @@
 #include "chrome/browser/spellchecker/spellcheck_host.h"
 #include "chrome/browser/spellchecker/spellchecker_platform_engine.h"
 #include "chrome/browser/tab_contents/render_view_context_menu.h"
+#include "chrome/browser/tab_contents/spelling_bubble_model.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/spellcheck_messages.h"
 #include "content/browser/renderer_host/render_view_host.h"
+#include "content/browser/renderer_host/render_widget_host_view.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/models/simple_menu_model.h"
@@ -26,6 +28,7 @@
     : proxy_(proxy),
       submenu_model_(delegate),
       spellcheck_enabled_(false),
+      integrate_spelling_service_(false),
       language_group_(group),
       language_selected_(0) {
   DCHECK(proxy_);
@@ -78,6 +81,20 @@
                 IDS_CONTENT_CONTEXT_SHOW_SPELLING_PANEL));
   }
 
+#if defined(OS_WIN)
+  // If we have not integrated the spelling service, we show an "Ask Google for
+  // spelling suggestions" item. On the other hand, if we have integrated the
+  // spelling service, we show "Stop asking Google for spelling suggestions"
+  // item.
+  integrate_spelling_service_ =
+      profile->GetPrefs()->GetBoolean(prefs::kSpellCheckUseSpellingService);
+  int spelling_message = integrate_spelling_service_ ?
+      IDS_CONTENT_CONTEXT_SPELLING_STOP_ASKING_GOOGLE :
+      IDS_CONTENT_CONTEXT_SPELLING_ASK_GOOGLE;
+  submenu_model_.AddCheckItem(IDC_CONTENT_CONTEXT_SPELLING_TOGGLE,
+                              l10n_util::GetStringUTF16(spelling_message));
+#endif
+
   proxy_->AddSubMenu(
       IDC_SPELLCHECK_MENU,
       l10n_util::GetStringUTF16(IDS_CONTENT_CONTEXT_SPELLCHECK_MENU),
@@ -100,6 +117,7 @@
     case IDC_CHECK_SPELLING_OF_THIS_FIELD:
     case IDC_SPELLPANEL_TOGGLE:
     case IDC_SPELLCHECK_MENU:
+    case IDC_CONTENT_CONTEXT_SPELLING_TOGGLE:
       return true;
   }
 
@@ -143,9 +161,8 @@
       return pref->GetBoolean(prefs::kEnableSpellCheck);
 
     case IDC_SPELLPANEL_TOGGLE:
-      return true;
-
     case IDC_SPELLCHECK_MENU:
+    case IDC_CONTENT_CONTEXT_SPELLING_TOGGLE:
       return true;
   }
 
@@ -180,5 +197,25 @@
       rvh->Send(new SpellCheckMsg_ToggleSpellPanel(
           rvh->routing_id(), SpellCheckerPlatform::SpellingPanelVisible()));
       break;
+
+#if defined(OS_WIN)
+    case IDC_CONTENT_CONTEXT_SPELLING_TOGGLE:
+      // When a user chooses the "Ask Google for spelling suggestions" item, we
+      // show a bubble to confirm it. On the other hand, when a user chooses the
+      // "Stop asking Google for spelling suggestions" item, we directly update
+      // the profile and stop integrating the spelling service immediately.
+      if (!integrate_spelling_service_) {
+        gfx::Rect bounds = rvh->view()->GetViewBounds();
+        bounds.Inset(bounds.width() / 2, 0);
+        ConfirmBubbleModel::Show(rvh->view()->GetNativeView(), bounds.origin(),
+                                 new SpellingBubbleModel(proxy_->GetProfile()));
+      } else {
+        Profile* profile = proxy_->GetProfile();
+        if (profile)
+          profile->GetPrefs()->SetBoolean(prefs::kSpellCheckUseSpellingService,
+                                          false);
+      }
+      break;
+#endif
   }
 }