Update from https://crrev.com/328418

base/win/pe_image.cc

Index: base/win/pe_image.cc
diff --git a/base/win/pe_image.cc b/base/win/pe_image.cc
index 19b381d6fe6da271a0c2b02e52ac528bb0928889..692b7b665072d214f07c62e5c834b03f66173871 100644
--- a/base/win/pe_image.cc
+++ b/base/win/pe_image.cc
@@ -568,12 +568,11 @@ bool PEImage::ImageAddrToOnDiskOffset(LPVOID address,
   if (NULL == section_header)
     return false;
 
-#pragma warning(suppress : 4302) // pointer truncation
-  // These casts generate warnings because they are 32 bit specific.
   // Don't follow the virtual RVAToAddr, use the one on the base.
-  DWORD offset_within_section = reinterpret_cast<DWORD>(address) -
-                                    reinterpret_cast<DWORD>(PEImage::RVAToAddr(
-                                        section_header->VirtualAddress));
+  DWORD offset_within_section =
+      static_cast<DWORD>(reinterpret_cast<uintptr_t>(address)) -
+      static_cast<DWORD>(reinterpret_cast<uintptr_t>(
+          PEImage::RVAToAddr(section_header->VirtualAddress)));
 
   *on_disk_offset = section_header->PointerToRawData + offset_within_section;
   return true;