Use 'icu::' namespace explicitly

app/table_model.h

 // Copyright (c) 2009 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.
 
 #ifndef APP_TABLE_MODEL_H_
 #define APP_TABLE_MODEL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 77 matching lines @@
   //
   // This implementation does a case insensitive locale specific string
   // comparison.
   virtual int CompareValues(int row1, int row2, int column_id);
 
   // Reset the collator.
   void ClearCollator();
 
  protected:
   // Returns the collator used by CompareValues.
-  Collator* GetCollator();
+  icu::Collator* GetCollator();
 };
 
 // TableColumn specifies the title, alignment and size of a particular column.
 struct TableColumn {
   enum Alignment {
     LEFT, RIGHT, CENTER
   };
 
   TableColumn();
   TableColumn(int id, const std::wstring& title,
@@ skipping 35 matching lines @@
   // The minimum width required for all items in this column
   // (including the header)
   // to be visible.
   int min_visible_width;
 
   // Is this column sortable? Default is false
   bool sortable;
 };
 
 #endif  // APP_TABLE_MODEL_H_