Passing BackgroundColorSpan and UnderlineSpan from Clank to Blink.

ui/base/ime/composition_text_util_pango.cc

 // Copyright 2013 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 "ui/base/ime/composition_text_util_pango.h"
 
 #include <pango/pango-attributes.h>
 
 #include "base/basictypes.h"
 #include "base/i18n/char_iterator.h"
@@ skipping 58 matching lines @@
         continue;
 
       PangoAttribute* background_attr =
           pango_attr_iterator_get(iter, PANGO_ATTR_BACKGROUND);
       PangoAttribute* underline_attr =
           pango_attr_iterator_get(iter, PANGO_ATTR_UNDERLINE);
 
       if (background_attr || underline_attr) {
         // Use a black thin underline by default.
         CompositionUnderline underline(
-            char16_offsets[start], char16_offsets[end], SK_ColorBLACK, false);
+            char16_offsets[start], char16_offsets[end], SK_ColorBLACK, false,
+            SK_ColorTRANSPARENT);
 
         // Always use thick underline for a range with background color, which
         // is usually the selection range.
         if (background_attr) {
           underline.thick = true;
           // If the cursor is at start or end of this underline, then we treat
           // it as the selection range as well, but make sure to set the cursor
           // position to the selection end.
           if (underline.start_offset == cursor_offset) {
             composition->selection.set_start(underline.end_offset);
@@ skipping 12 matching lines @@
         }
         composition->underlines.push_back(underline);
       }
     } while (pango_attr_iterator_next(iter));
     pango_attr_iterator_destroy(iter);
   }
 
   // Use a black thin underline by default.
   if (composition->underlines.empty()) {
     composition->underlines.push_back(
-        CompositionUnderline(0, length, SK_ColorBLACK, false));
+        CompositionUnderline(0, length, SK_ColorBLACK, false,
+                             SK_ColorTRANSPARENT));
   }
 }
 
 }  // namespace ui