For now, let's clear local storage whenever we clear cookies.

BUG=28788
TEST="Clear private data..." from the menu, check cookies, and tell it ok.  Data in "Local Storage" inside the profile's data dir should be deleted and any open websites that were using that data should no longer be able to see it.
Review URL: http://codereview.chromium.org/441012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@33162 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 16 insertions, 0 deletions

diff --git a/base/file_util.h b/base/file_util.h
index bf5f5bf..a6914b7 100644
--- a/base/file_util.h
+++ b/base/file_util.h
@@ -531,6 +531,10 @@ bool RenameFileAndResetSecurityDescriptor(
     const FilePath& source_file_path,
     const FilePath& target_file_path);
 
+// Returns whether the file has been modified since a particular date.
+bool HasFileBeenModifiedSince(const FileEnumerator::FindInfo& find_info,
+                              const base::Time& cutoff_time);
+
 }  // namespace file_util
 
 #endif  // BASE_FILE_UTIL_H_
diff --git a/base/file_util_posix.cc b/base/file_util_posix.cc
index a269d3f..dc9d793 100644
--- a/base/file_util_posix.cc
+++ b/base/file_util_posix.cc
@@ -699,4 +699,9 @@ void MemoryMappedFile::CloseHandles() {
   file_ = base::kInvalidPlatformFileValue;
 }
 
+bool HasFileBeenModifiedSince(const FileEnumerator::FindInfo& find_info,
+                              const base::Time& cutoff_time) {
+  return find_info.stat.st_mtime >= cutoff_time.ToTimeT();
+}
+
 } // namespace file_util
diff --git a/base/file_util_win.cc b/base/file_util_win.cc
index a320aca..9722e31 100644
--- a/base/file_util_win.cc
+++ b/base/file_util_win.cc
@@ -793,4 +793,11 @@ void MemoryMappedFile::CloseHandles() {
   length_ = INVALID_FILE_SIZE;
 }
 
+bool HasFileBeenModifiedSince(const FileEnumerator::FindInfo& find_info,
+                              const base::Time& cutoff_time) {
+  long result = CompareFileTime(&find_info.ftLastWriteTime,
+                                &cutoff_time.ToFileTime());
+  return result == 1 || result == 0;
+}
+
 }  // namespace file_util