Port flush_cache tool and perf_tests.

BUG=4160,4263
Review URL: http://codereview.chromium.org/9639

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@6815 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 8 insertions, 5 deletions

diff --git a/base/base_lib.scons b/base/base_lib.scons
index 8f8fd0c..50e7b99 100644
--- a/base/base_lib.scons
+++ b/base/base_lib.scons
@@ -191,6 +191,7 @@ if env['PLATFORM'] == 'darwin':
       'platform_thread_mac.mm',
       'scoped_nsautorelease_pool.mm',
       'sys_string_conversions_mac.mm',
+      'test_file_util_mac.cc',
       'worker_pool_mac.mm',
   ])
 
@@ -207,6 +208,7 @@ if env['PLATFORM'] == 'posix':
       'process_posix.cc',
       'process_util_linux.cc',
       'sys_string_conversions_linux.cc',
+      'test_file_util_linux.cc',
       'worker_pool.cc',
   ])
 
diff --git a/base/test_file_util.h b/base/test_file_util.h
index 3547d55..1ecaf29 100644
--- a/base/test_file_util.h
+++ b/base/test_file_util.h
@@ -9,11 +9,13 @@
 
 #include <string>
 
+class FilePath;
+
 namespace file_util {
 
 // Clear a specific file from the system cache. After this call, trying
 // to access this file will result in a cold load from the hard drive.
-bool EvictFileFromSystemCache(const wchar_t* file);
+bool EvictFileFromSystemCache(const FilePath& file);
 
 // Like CopyFileNoCache but recursively copies all files and subdirectories
 // in the given input directory to the output directory. Any files in the
diff --git a/base/test_file_util_linux.cc b/base/test_file_util_linux.cc
index 421d182..c1b3768 100644
--- a/base/test_file_util_linux.cc
+++ b/base/test_file_util_linux.cc
@@ -12,9 +12,8 @@
 
 namespace file_util {
 
-bool EvictFileFromSystemCache(const wchar_t* file) {
-  FilePath fpath = FilePath::FromWStringHack(file);
-  int fd = open(fpath.value().c_str(), O_RDONLY);
+bool EvictFileFromSystemCache(const FilePath& file) {
+  int fd = open(file.value().c_str(), O_RDONLY);
   if (fd < 0)
     return false;
   if (fdatasync(fd) != 0)
diff --git a/base/test_file_util_mac.cc b/base/test_file_util_mac.cc
index ebb13f3..1dd8533 100644
--- a/base/test_file_util_mac.cc
+++ b/base/test_file_util_mac.cc
@@ -8,7 +8,7 @@
 
 namespace file_util {
 
-bool EvictFileFromSystemCache(const wchar_t* file) {
+bool EvictFileFromSystemCache(const FilePath& file) {
   // TODO(port): Implement.
   NOTIMPLEMENTED();
   return false;