Addressing C4267 warnings for printing.

printing/emf_win_unittest.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 "printing/emf_win.h"
 
 // For quick access.
 #include <stdint.h>
 #include <wingdi.h>
 #include <winspool.h>
@@ skipping 80 matching lines @@
   // Initialize it.
   PrintingContextWin context(this);
   EXPECT_EQ(PrintingContext::OK, context.InitWithSettingsForTest(settings));
 
   base::FilePath emf_file;
   EXPECT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &emf_file));
   emf_file = emf_file.Append(FILE_PATH_LITERAL("printing"))
                      .Append(FILE_PATH_LITERAL("test"))
                      .Append(FILE_PATH_LITERAL("data"))
                      .Append(FILE_PATH_LITERAL("test4.emf"));
+
   // Load any EMF with an image.
-  Emf emf;
   std::string emf_data;
   base::ReadFileToString(emf_file, &emf_data);
   ASSERT_TRUE(emf_data.size());
+
+  Emf emf;
   EXPECT_TRUE(emf.InitFromData(&emf_data[0], emf_data.size()));
 
   // This will print to file. The reason is that when running inside a
   // unit_test, PrintingContext automatically dumps its files to the
   // current directory.
   // TODO(maruel):  Clean the .PRN file generated in current directory.
   context.NewDocument(L"EmfTest.Enumerate");
   context.NewPage();
   // Process one at a time.
   RECT page_bounds = emf.GetPageBounds(1).ToRECT();
@@ skipping 112 matching lines @@
   EXPECT_EQ(emf.GetPageBounds(1), raster->GetPageBounds(1));
 
   raster = emf.RasterizeMetafile(16 * ONE_MB);
   // Expected size about 64MB.
   EXPECT_LE(abs(static_cast<int>(raster->GetDataSize()) - 64 * ONE_MB), ONE_MB);
   // Bounds should still be the same.
   EXPECT_EQ(emf.GetPageBounds(1), raster->GetPageBounds(1));
 }
 
 }  // namespace printing