ui/gfx: Add ToString() function to Size class.

chrome/browser/printing/printing_layout_uitest.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 "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/string_util.h"
 #include "base/test/test_file_util.h"
 #include "base/threading/simple_thread.h"
@@ skipping 68 matching lines @@
       emf_content.SaveToPng(png);
       // Saving is always fine.
       return 0;
     } else {
       // File compare between test and result.
       Image emf_content(emf);
       Image test_content(test_result);
       Image png_content(png);
       double diff_emf = emf_content.PercentageDifferent(test_content);
 
-      EXPECT_EQ(0., diff_emf) << verification_name <<
-          L" original size:" << emf_content.size() <<
-          L" result size:" << test_content.size();
+      EXPECT_EQ(0., diff_emf) << WideToUTF8(verification_name) <<
+          " original size:" << emf_content.size().ToString() <<
+          " result size:" << test_content.size().ToString();
       if (diff_emf) {
         // Backup the result emf file.
         file_util::CopyFile(test_result, FilePath(
               verification_file + L"_failed.emf"));
       }
 
       // This verification is only to know that the EMF rendering stays
       // immutable.
       double diff_png = emf_content.PercentageDifferent(png_content);
-      EXPECT_EQ(0., diff_png) << verification_name <<
-          L" original size:" << emf_content.size() <<
-          L" result size:" << test_content.size();
+      EXPECT_EQ(0., diff_png) << WideToUTF8(verification_name) <<
+          " original size:" << emf_content.size().ToString() <<
+          " result size:" << test_content.size().ToString();
       if (diff_png) {
         // Backup the rendered emf file to detect the rendering difference.
         emf_content.SaveToPng(FilePath(verification_file + L"_rendering.png"));
       }
       return std::max(diff_png, diff_emf);
     }
   }
 
   // Makes sure the directory exists and is empty.
   void CleanupDumpDirectory() {
@@ skipping 303 matching lines @@
 
     // Force a navigation elsewhere to verify that it's fine with it.
     url = test_server.GetURL("files/printing/test1.html");
     EXPECT_EQ(AUTOMATION_MSG_NAVIGATION_SUCCESS,
               tab_proxy->NavigateToURL(url));
   }
   CloseBrowserAndServer();
 
   EXPECT_EQ(0., CompareWithResult(L"iframe")) << L"iframe";
 }