Begun the DCHECK() cleanup. Starting off with /src/chrome/a* and /src/chrome/...

chrome/browser/autocomplete/autocomplete_popup_view_gtk.cc

 // Copyright (c) 2011 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/autocomplete/autocomplete_popup_view_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 367 matching lines @@
   gdk_window_process_updates(window_->window, FALSE);
 }
 
 void AutocompletePopupViewGtk::OnDragCanceled() {
   ignore_mouse_drag_ = true;
 }
 
 void AutocompletePopupViewGtk::Observe(NotificationType type,
                                        const NotificationSource& source,
                                        const NotificationDetails& details) {
-  DCHECK(type == NotificationType::BROWSER_THEME_CHANGED);
+  DCHECK_EQ(type, NotificationType::BROWSER_THEME_CHANGED);
 
   if (theme_provider_->UseGtkTheme()) {
     gtk_util::UndoForceFontSize(window_);
 
     border_color_ = theme_provider_->GetBorderColor();
 
     gtk_util::GetTextColors(
         &background_color_, &selected_background_color_,
         &content_text_color_, &selected_content_text_color_);
 
@@ skipping 263 matching lines @@
                           (text_width - actual_content_width -
                            (actual_description_width / PANGO_SCALE)),
                       content_y, layout_);
     }
   }
 
   g_object_unref(gc);
 
   return TRUE;
 }