[Views, WebIntents] Hide suggestion label if none are available.

chrome/browser/ui/views/web_intent_picker_views.cc

 // Copyright (c) 2012 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 <algorithm>
 #include <vector>
 
 #include "base/memory/scoped_vector.h"
 #include "base/time.h"
 #include "chrome/browser/tab_contents/tab_util.h"
@@ skipping 933 matching lines @@
   // Inline web contents row.
   grid_layout->StartRow(0, 1);
   grid_layout->AddView(webview_, 1, 1, GridLayout::CENTER,
                        GridLayout::CENTER, kDialogMinWidth, 140);
   contents_->Layout();
   SizeToContents();
   displaying_web_contents_ = true;
 }
 
 void WebIntentPickerViews::OnModelChanged(WebIntentPickerModel* model) {
-  if (model->GetInstalledServiceCount() == 0) {
-    suggestions_label_->SetText(l10n_util::GetStringUTF16(
-        IDS_INTENT_PICKER_GET_MORE_SERVICES_NONE_INSTALLED));
-  } else {
-    suggestions_label_->SetText(
-        l10n_util::GetStringUTF16(IDS_INTENT_PICKER_GET_MORE_SERVICES));
-  }
+  suggestions_label_->SetText(l10n_util::GetStringUTF16(
+      model->GetInstalledServiceCount() ?
+          IDS_INTENT_PICKER_GET_MORE_SERVICES :
+          IDS_INTENT_PICKER_GET_MORE_SERVICES_NONE_INSTALLED));
+
+  suggestions_label_->SetVisible(model->GetSuggestedExtensionCount() > 0);
 
   service_buttons_->Update();
   extensions_->Update();
   contents_->Layout();
   SizeToContents();
 }
 
 void WebIntentPickerViews::OnFaviconChanged(
     WebIntentPickerModel* model, size_t index) {
   service_buttons_->Update();
@@ skipping 121 matching lines @@
   // Padding row.
   grid_layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
 
   // Service button row.
   grid_layout->StartRow(0, kFullWidthColumnSet);
   service_buttons_ = new ServiceButtonsView(model_, this);
   grid_layout->AddView(service_buttons_);
 
   // Row with app suggestions label.
   grid_layout->StartRow(0, kIndentedFullWidthColumnSet);
-  suggestions_label_ = new views::Label(
-      l10n_util::GetStringUTF16(IDS_INTENT_PICKER_GET_MORE_SERVICES));
+  suggestions_label_ = new views::Label();
+  suggestions_label_->SetVisible(false);
   suggestions_label_->SetMultiLine(true);
   suggestions_label_->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
   grid_layout->AddView(suggestions_label_);
 
   // Padding row.
   grid_layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
 
   // Row with extension suggestions.
   grid_layout->StartRow(0, kIndentedFullWidthColumnSet);
   extensions_ = new SuggestedExtensionsView(model_, this);
@@ skipping 45 matching lines @@
   views::ImageButton* close_button = new views::ImageButton(this);
   close_button->SetImage(views::CustomButton::BS_NORMAL,
                           rb.GetBitmapNamed(IDR_CLOSE_BAR));
   close_button->SetImage(views::CustomButton::BS_HOT,
                           rb.GetBitmapNamed(IDR_CLOSE_BAR_H));
   close_button->SetImage(views::CustomButton::BS_PUSHED,
                           rb.GetBitmapNamed(IDR_CLOSE_BAR_P));
   return close_button;
 }
 #endif