Linux: refactor zygote support

base/file_util_posix.cc

Index: base/file_util_posix.cc
diff --git a/base/file_util_posix.cc b/base/file_util_posix.cc
index 7f40c17756e6cc2067c62b2fbb4d9d790c93a03a..9d1decf9d623ee9cab816483b9ed53182a43d972 100644
--- a/base/file_util_posix.cc
+++ b/base/file_util_posix.cc
@@ -27,7 +27,6 @@
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/time.h"
-#include "base/zygote_manager.h"
 
 namespace file_util {
 
@@ -626,19 +625,8 @@ MemoryMappedFile::MemoryMappedFile()
 }
 
 bool MemoryMappedFile::MapFileToMemory(const FilePath& file_name) {
-  file_ = -1;
-#if defined(OS_LINUX)
-  base::ZygoteManager* zm = base::ZygoteManager::Get();
-  if (zm) {
-    file_ = zm->OpenFile(file_name.value().c_str());
-    if (file_ == -1) {
-      LOG(INFO) << "Zygote manager can't open " << file_name.value()
-                << ", retrying locally.  (OK at start of ui_tests.)";
-    }
-  }
-#endif  // defined(OS_LINUX)
-  if (file_ == -1)
-    file_ = open(file_name.value().c_str(), O_RDONLY);
+  file_ = open(file_name.value().c_str(), O_RDONLY);
+
   if (file_ == -1) {
     LOG(ERROR) << "Couldn't open " << file_name.value();
     return false;