Moving src/webrtc into src/.

In order to eliminate the WebRTC Subtree mirror in Chromium, 
WebRTC is moving the content of the src/webrtc directory up
to the src/ directory.

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org

Bug: chromium:611808
Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38
Reviewed-on: https://webrtc-review.googlesource.com/1560
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19845}

rtc_base/win32filesystem.cc

@@ -0,0 +1,93 @@
+/*
+ *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/rtc_base/win32filesystem.h"
+
+#include <shellapi.h>
+#include <shlobj.h>
+#include <tchar.h>
+#include "webrtc/rtc_base/win32.h"
+
+#include <memory>
+
+#include "webrtc/rtc_base/arraysize.h"
+#include "webrtc/rtc_base/checks.h"
+#include "webrtc/rtc_base/fileutils.h"
+#include "webrtc/rtc_base/pathutils.h"
+#include "webrtc/rtc_base/stream.h"
+#include "webrtc/rtc_base/stringutils.h"
+
+// In several places in this file, we test the integrity level of the process
+// before calling GetLongPathName. We do this because calling GetLongPathName
+// when running under protected mode IE (a low integrity process) can result in
+// a virtualized path being returned, which is wrong if you only plan to read.
+// TODO: Waiting to hear back from IE team on whether this is the
+// best approach; IEIsProtectedModeProcess is another possible solution.
+
+namespace rtc {
+
+bool Win32Filesystem::DeleteFile(const Pathname &filename) {
+  LOG(LS_INFO) << "Deleting file " << filename.pathname();
+  if (!IsFile(filename)) {
+    RTC_DCHECK(IsFile(filename));
+    return false;
+  }
+  return ::DeleteFile(ToUtf16(filename.pathname()).c_str()) != 0;
+}
+
+std::string Win32Filesystem::TempFilename(const Pathname &dir,
+                                          const std::string &prefix) {
+  wchar_t filename[MAX_PATH];
+  if (::GetTempFileName(ToUtf16(dir.pathname()).c_str(),
+                        ToUtf16(prefix).c_str(), 0, filename) != 0)
+    return ToUtf8(filename);
+  RTC_NOTREACHED();
+  return "";
+}
+
+bool Win32Filesystem::MoveFile(const Pathname &old_path,
+                               const Pathname &new_path) {
+  if (!IsFile(old_path)) {
+    RTC_DCHECK(IsFile(old_path));
+    return false;
+  }
+  LOG(LS_INFO) << "Moving " << old_path.pathname()
+               << " to " << new_path.pathname();
+  return ::MoveFile(ToUtf16(old_path.pathname()).c_str(),
+                    ToUtf16(new_path.pathname()).c_str()) != 0;
+}
+
+bool Win32Filesystem::IsFolder(const Pathname &path) {
+  WIN32_FILE_ATTRIBUTE_DATA data = {0};
+  if (0 == ::GetFileAttributesEx(ToUtf16(path.pathname()).c_str(),
+                                 GetFileExInfoStandard, &data))
+    return false;
+  return (data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ==
+      FILE_ATTRIBUTE_DIRECTORY;
+}
+
+bool Win32Filesystem::IsFile(const Pathname &path) {
+  WIN32_FILE_ATTRIBUTE_DATA data = {0};
+  if (0 == ::GetFileAttributesEx(ToUtf16(path.pathname()).c_str(),
+                                 GetFileExInfoStandard, &data))
+    return false;
+  return (data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0;
+}
+
+bool Win32Filesystem::GetFileSize(const Pathname &pathname, size_t *size) {
+  WIN32_FILE_ATTRIBUTE_DATA data = {0};
+  if (::GetFileAttributesEx(ToUtf16(pathname.pathname()).c_str(),
+                            GetFileExInfoStandard, &data) == 0)
+  return false;
+  *size = data.nFileSizeLow;
+  return true;
+}
+
+}  // namespace rtc