Removed unneeded cairo code.

printing/pdf_metafile_cairo_linux_unittest.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 "printing/pdf_metafile_cairo_linux.h"
-
-#include <fcntl.h>
-#include <string>
-#include <vector>
-
-#include "base/file_descriptor_posix.h"
-#include "base/file_path.h"
-#include "base/file_util.h"
-#include "base/string_util.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/gfx/rect.h"
-#include "ui/gfx/size.h"
-
-typedef struct _cairo cairo_t;
-
-namespace {
-
-class PdfMetafileCairoTest : public testing::Test {};
-
-}  // namespace
-
-namespace printing {
-
-TEST_F(PdfMetafileCairoTest, Pdf) {
-  // Tests in-renderer constructor.
-  printing::PdfMetafileCairo pdf;
-  EXPECT_TRUE(pdf.Init());
-
-  // Renders page 1.
-  EXPECT_TRUE(pdf.StartPage(gfx::Size(72, 73), gfx::Rect(4, 5, 64, 63), 1));
-  // In theory, we should use Cairo to draw something on |context|.
-  EXPECT_TRUE(pdf.FinishPage());
-
-  // Renders page 2.
-  EXPECT_TRUE(pdf.StartPage(gfx::Size(72, 73), gfx::Rect(4, 5, 64, 63), 1));
-  // In theory, we should use Cairo to draw something on |context|.
-  EXPECT_TRUE(pdf.FinishPage());
-
-  // Closes the file.
-  pdf.FinishDocument();
-
-  // Checks data size.
-  uint32 size = pdf.GetDataSize();
-  EXPECT_GT(size, 0u);
-
-  // Gets resulting data.
-  std::vector<char> buffer(size, 0x00);
-  pdf.GetData(&buffer.front(), size);
-
-  // Tests another constructor.
-  printing::PdfMetafileCairo pdf2;
-  EXPECT_TRUE(pdf2.InitFromData(&buffer.front(), size));
-
-  // Tries to get the first 4 characters from pdf2.
-  std::vector<char> buffer2(4, 0x00);
-  pdf2.GetData(&buffer2.front(), 4);
-
-  // Tests if the header begins with "%PDF".
-  std::string header(&buffer2.front(), 4);
-  EXPECT_EQ(header.find("%PDF", 0), 0u);
-
-  // Tests if we can save data.
-  EXPECT_TRUE(pdf.SaveTo(FilePath("/dev/null")));
-
-  // Test overriding the metafile with raw data.
-  printing::PdfMetafileCairo pdf3;
-  EXPECT_TRUE(pdf3.Init());
-  EXPECT_TRUE(pdf3.StartPage(gfx::Size(72, 73), gfx::Rect(4, 5, 64, 63), 1));
-  std::string test_raw_data = "Dummy PDF";
-  EXPECT_TRUE(pdf3.InitFromData(test_raw_data.c_str(), test_raw_data.size()));
-  EXPECT_TRUE(pdf3.FinishPage());
-  pdf3.FinishDocument();
-  size = pdf3.GetDataSize();
-  EXPECT_EQ(test_raw_data.size(), size);
-  std::string output;
-  pdf3.GetData(WriteInto(&output, size + 1), size);
-  EXPECT_EQ(test_raw_data, output);
-}
-
-}  // namespace printing