Basic Drawn text for new GTK Autofill popup.

chrome/browser/ui/gtk/gtk_util.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 "chrome/browser/ui/gtk/gtk_util.h"
 
 #include <cairo/cairo.h>
 
 #include <algorithm>
 #include <cstdarg>
@@ skipping 744 matching lines @@
                        GTK_STATE_NORMAL, GTK_SHADOW_NONE, dirty_rec,
                        widget_to_draw_on, "entry_bg",
                        rec->x + xborder, rec->y + yborder,
                        width, height);
   }
 
   gtk_style_detach(our_style);
   g_object_unref(our_style);
 }
 
+void SetLayoutText(PangoLayout* layout, const string16& text) {
+  // Pango is really easy to overflow and send into a computational death
+  // spiral that can corrupt the screen. Assume that we'll never have more than
+  // 2000 characters, which should be a safe assumption until we all get robot
+  // eyes. http://crbug.com/66576
+  std::string text_utf8 = UTF16ToUTF8(text);
+  if (text_utf8.length() > 2000)
+    text_utf8 = text_utf8.substr(0, 2000);
+
+  pango_layout_set_text(layout, text_utf8.data(), text_utf8.length());
+}
+
 void DrawThemedToolbarBackground(GtkWidget* widget,
                                  cairo_t* cr,
                                  GdkEventExpose* event,
                                  const gfx::Point& tabstrip_origin,
                                  GtkThemeService* theme_service) {
   // Fill the entire region with the toolbar color.
   GdkColor color = theme_service->GetGdkColor(
       ThemeService::COLOR_TOOLBAR);
   gdk_cairo_set_source_color(cr, &color);
   cairo_fill(cr);
@@ skipping 398 matching lines @@
 
 void DoCopy(BrowserWindow* window) {
   DoCutCopyPaste(window, &RenderViewHost::Copy, "copy-clipboard");
 }
 
 void DoPaste(BrowserWindow* window) {
   DoCutCopyPaste(window, &RenderViewHost::Paste, "paste-clipboard");
 }
 
 }  // namespace gtk_util