Shows chrome-extension urls and greys out the whole url.

chrome/browser/ui/gtk/omnibox/omnibox_view_gtk.cc

 // Copyright 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 "chrome/browser/ui/gtk/omnibox/omnibox_view_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 
 #include <algorithm>
@@ skipping 18 matching lines @@
 #include "chrome/browser/ui/gtk/omnibox/omnibox_popup_view_gtk.h"
 #include "chrome/browser/ui/gtk/view_id_util.h"
 #include "chrome/browser/ui/omnibox/omnibox_edit_controller.h"
 #include "chrome/browser/ui/omnibox/omnibox_edit_model.h"
 #include "chrome/browser/ui/omnibox/omnibox_popup_model.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/toolbar/toolbar_model.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/web_contents.h"
+#include "extensions/common/constants.h"
 #include "googleurl/src/gurl.h"
 #include "grit/generated_resources.h"
 #include "net/base/escape.h"
 #include "third_party/undoview/undo_view.h"
 #include "ui/base/clipboard/scoped_clipboard_writer.h"
 #include "ui/base/dragdrop/drag_drop_types.h"
 #include "ui/base/dragdrop/gtk_dnd_util.h"
 #include "ui/base/gtk/gtk_compat.h"
 #include "ui/base/gtk/gtk_hig_constants.h"
 #include "ui/base/gtk/menu_label_accelerator_util.h"
@@ skipping 1595 matching lines @@
   }
   // See whether the contents are a URL with a non-empty host portion, which we
   // should emphasize.  To check for a URL, rather than using the type returned
   // by Parse(), ask the model, which will check the desired page transition for
   // this input.  This can tell us whether an UNKNOWN input string is going to
   // be treated as a search or a navigation, and is the same method the Paste
   // And Go system uses.
   url_parse::Component scheme, host;
   string16 text(GetText());
   AutocompleteInput::ParseForEmphasizeComponents(text, &scheme, &host);
-  const bool emphasize = model()->CurrentTextIsURL() && (host.len > 0);
 
   // Set the baseline emphasis.
   GtkTextIter start, end;
   GetTextBufferBounds(&start, &end);
   gtk_text_buffer_remove_all_tags(text_buffer_, &start, &end);
-  if (emphasize) {
-    gtk_text_buffer_apply_tag(text_buffer_, faded_text_tag_, &start, &end);
+  bool grey_out_url = text.substr(scheme.begin, scheme.len) ==
+       UTF8ToUTF16(extensions::kExtensionScheme);
+  bool grey_base = model()->CurrentTextIsURL() &&
+      (host.is_nonempty() || grey_out_url);
+  gtk_text_buffer_apply_tag(
+      text_buffer_, grey_base ? faded_text_tag_ : normal_text_tag_ , &start,
+      &end);
 
+  if (grey_base && !grey_out_url) {
     // We've found a host name, give it more emphasis.
-    gtk_text_buffer_get_iter_at_line_index(text_buffer_, &start, 0,
-                                           GetUTF8Offset(text,
-                                                         host.begin));
-    gtk_text_buffer_get_iter_at_line_index(text_buffer_, &end, 0,
-                                           GetUTF8Offset(text,
-                                                         host.end()));
-
-    gtk_text_buffer_apply_tag(text_buffer_, normal_text_tag_, &start, &end);
-  } else {
+    gtk_text_buffer_get_iter_at_line_index(
+        text_buffer_, &start, 0, GetUTF8Offset(text, host.begin));
+    gtk_text_buffer_get_iter_at_line_index(
+        text_buffer_, &end, 0, GetUTF8Offset(text, host.end()));
     gtk_text_buffer_apply_tag(text_buffer_, normal_text_tag_, &start, &end);
   }
 
   strikethrough_ = CharRange();
   // Emphasize the scheme for security UI display purposes (if necessary).
   if (!model()->user_input_in_progress() && model()->CurrentTextIsURL() &&
       scheme.is_nonempty() && (security_level_ != ToolbarModel::NONE)) {
     CharRange scheme_range = CharRange(GetUTF8Offset(text, scheme.begin),
                                        GetUTF8Offset(text, scheme.end()));
     ItersFromCharRange(scheme_range, &start, &end);
@@ skipping 472 matching lines @@
 void OmniboxViewGtk::AdjustVerticalAlignmentOfInstantView() {
   // By default, GtkTextView layouts an anchored child widget just above the
   // baseline, so we need to move the |instant_view_| down to make sure it
   // has the same baseline as the |text_view_|.
   PangoLayout* layout = gtk_label_get_layout(GTK_LABEL(instant_view_));
   int height;
   pango_layout_get_size(layout, NULL, &height);
   int baseline = pango_layout_get_baseline(layout);
   g_object_set(instant_anchor_tag_, "rise", baseline - height, NULL);
 }