Cleanup: Do not check for NULL pointers returned by new in printing code.

chrome/renderer/mock_printer.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 "chrome/renderer/mock_printer.h"
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/memory/shared_memory.h"
 #include "base/strings/string16.h"
@@ skipping 22 matching lines @@
     params->margin_left = static_cast<int>(0.25 * dpi);
     params->margin_top = static_cast<int>(0.25 * dpi);
   } else if (margins_type == printing::CUSTOM_MARGINS) {
     params->content_size.SetSize(static_cast<int>((7.9 * dpi)),
                                  static_cast<int>((10.4 * dpi)));
     params->margin_left = static_cast<int>(0.30 * dpi);
     params->margin_top = static_cast<int>(0.30 * dpi);
   }
 }
 
-} // end
+}  // namespace
 
 MockPrinterPage::MockPrinterPage(const void* source_data,
                                  uint32 source_size,
                                  const printing::Image& image)
     : source_size_(source_size),
       image_(image) {
   // Create copies of the source data
   source_data_.reset(new uint8[source_size]);
   if (source_data_.get())
     memcpy(source_data_.get(), source_data, source_size);
@@ skipping 165 matching lines @@
 #if defined(OS_MACOSX)
   printing::PdfMetafileCg metafile;
 #else
   printing::NativeMetafile metafile;
 #endif
   metafile.InitFromData(metafile_data.memory(), params.data_size);
   printing::Image image(metafile);
   MockPrinterPage* page_data = new MockPrinterPage(metafile_data.memory(),
                                                    params.data_size,
                                                    image);
-  if (!page_data) {
-    printer_status_ = PRINTER_ERROR;
-    return;
-  }
-
   scoped_refptr<MockPrinterPage> page(page_data);
   pages_.push_back(page);
 #endif
 
   // We finish printing a printing job.
   // Reset the job status and the printer status.
   ++page_number_;
   if (number_pages_ == page_number_)
     ResetPrinter();
 }
@@ skipping 70 matching lines @@
   params->margin_top = margin_top_;
   params->is_first_request = is_first_request_;
   params->print_scaling_option = print_scaling_option_;
   params->print_to_pdf = print_to_pdf_;
   params->preview_request_id = preview_request_id_;
   params->display_header_footer = display_header_footer_;
   params->date = date_;
   params->title = title_;
   params->url = url_;
 }