Make VEA test support videos with different coded size and visible size

base/files/memory_mapped_file.cc

Index: base/files/memory_mapped_file.cc
diff --git a/base/files/memory_mapped_file.cc b/base/files/memory_mapped_file.cc
index 745a5ff1f4524f944823c244249836b6b52bf9a3..1d0ceeb9c6a9eb6e182a9395ec141e4c3c801561 100644
--- a/base/files/memory_mapped_file.cc
+++ b/base/files/memory_mapped_file.cc
@@ -42,7 +42,7 @@ bool MemoryMappedFile::Initialize(const FilePath& file_name) {
     return false;
   }
 
-  if (!MapFileRegionToMemory(Region::kWholeFile)) {
+  if (!MapFileRegionToMemory(Region::kWholeFile, false)) {
     CloseHandles();
     return false;
   }
@@ -50,17 +50,17 @@ bool MemoryMappedFile::Initialize(const FilePath& file_name) {
   return true;
 }
 
-bool MemoryMappedFile::Initialize(File file) {
-  return Initialize(file.Pass(), Region::kWholeFile);
+bool MemoryMappedFile::Initialize(File file, bool write) {
+  return Initialize(file.Pass(), Region::kWholeFile, write);
 }
 
-bool MemoryMappedFile::Initialize(File file, const Region& region) {
+bool MemoryMappedFile::Initialize(File file, const Region& region, bool write) {
   if (IsValid())
     return false;
 
   file_ = file.Pass();
 
-  if (!MapFileRegionToMemory(region)) {
+  if (!MapFileRegionToMemory(region, write)) {
     CloseHandles();
     return false;
   }