Make printing build on Win64

Just adds some safe casts for the integer conversions.

BUG=166496
TBR=thestig@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11953003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@177940 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 12 insertions, 5 deletions

diff --git a/printing/image.cc b/printing/image.cc
index ee1956c..cded369 100644
--- a/printing/image.cc
+++ b/printing/image.cc
@@ -8,6 +8,7 @@
 
 #include "base/file_util.h"
 #include "base/md5.h"
+#include "base/safe_numerics.h"
 #include "base/string_number_conversions.h"
 #include "printing/metafile.h"
 #include "printing/metafile_impl.h"
@@ -71,7 +72,8 @@ bool Image::SaveToPng(const FilePath& filepath) const {
   if (success) {
     int write_bytes = file_util::WriteFile(
         filepath,
-        reinterpret_cast<char*>(&*compressed.begin()), compressed.size());
+        reinterpret_cast<char*>(&*compressed.begin()),
+        base::checked_numeric_cast<int>(compressed.size()));
     success = (write_bytes == static_cast<int>(compressed.size()));
     DCHECK(success);
   }
@@ -149,7 +151,8 @@ bool Image::LoadPng(const std::string& compressed) {
 bool Image::LoadMetafile(const std::string& data) {
   DCHECK(!data.empty());
   NativeMetafile metafile;
-  if (!metafile.InitFromData(data.data(), data.size()))
+  if (!metafile.InitFromData(data.data(),
+                             base::checked_numeric_cast<uint32>(data.size())))
     return false;
   return LoadMetafile(metafile);
 }
diff --git a/printing/pdf_metafile_skia.cc b/printing/pdf_metafile_skia.cc
index 3c78d7f..fd02ec4 100644
--- a/printing/pdf_metafile_skia.cc
+++ b/printing/pdf_metafile_skia.cc
@@ -9,6 +9,7 @@
 #include "base/hash_tables.h"
 #include "base/metrics/histogram.h"
 #include "base/posix/eintr_wrapper.h"
+#include "base/safe_numerics.h"
 #include "skia/ext/vector_platform_device_skia.h"
 #include "third_party/skia/include/core/SkData.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
@@ -110,7 +111,7 @@ bool PdfMetafileSkia::FinishDocument() {
 }
 
 uint32 PdfMetafileSkia::GetDataSize() const {
-  return data_->pdf_stream_.getOffset();
+  return base::checked_numeric_cast<uint32>(data_->pdf_stream_.getOffset());
 }
 
 bool PdfMetafileSkia::GetData(void* dst_buffer,
@@ -238,7 +239,8 @@ PdfMetafileSkia* PdfMetafileSkia::GetMetafileForCurrentPage() {
     return NULL;
 
   PdfMetafileSkia* metafile = new PdfMetafileSkia;
-  metafile->InitFromData(data->bytes(), data->size());
+  metafile->InitFromData(data->bytes(),
+                         base::checked_numeric_cast<uint32>(data->size()));
   return metafile;
 }
 
diff --git a/printing/print_destination_win.cc b/printing/print_destination_win.cc
index f6ffe74..6b98f4c 100644
--- a/printing/print_destination_win.cc
+++ b/printing/print_destination_win.cc
@@ -4,6 +4,7 @@
 
 #include "printing/print_destination_interface.h"
 
+#include "base/safe_numerics.h"
 #include "base/win/metro.h"
 #include "win8/util/win8_util.h"
 
@@ -33,7 +34,8 @@ class PrintDestinationWin : public PrintDestinationInterface {
                               void* content,
                               size_t content_size) {
     if (metro_set_print_page_content_)
-      metro_set_print_page_content_(page_number - 1, content, content_size);
+      metro_set_print_page_content_(page_number - 1, content,
+          base::checked_numeric_cast<UINT32>(content_size));
   }
  private:
   typedef void (*MetroSetPrintPageCount)(INT);