Platform cleanup in browser/ and porting of few files.

chrome/browser/url_fixer_upper.cc

Index: chrome/browser/url_fixer_upper.cc
===================================================================
--- chrome/browser/url_fixer_upper.cc	(revision 7139)
+++ chrome/browser/url_fixer_upper.cc	(working copy)
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 #include <algorithm>
-#include <windows.h>
 
 #include "chrome/browser/url_fixer_upper.h"
 
@@ -32,8 +31,8 @@
 // file exists, returns true and sets |full_path| to the result.  Otherwise,
 // returns false and leaves |full_path| unchanged.
 static bool ValidPathForFile(const wstring& text, wstring* full_path) {
-  wchar_t file_path[MAX_PATH];
-  if (!_wfullpath(file_path, text.c_str(), MAX_PATH))
+  wstring file_path(text);
+  if (!file_util::AbsolutePath(&file_path))
     return false;
 
   if (!file_util::PathExists(file_path))
@@ -255,6 +254,7 @@
   // Initialize the result.
   *parts = url_parse::Parsed();
 
+#if defined(OS_WIN)
   wstring trimmed;
   TrimWhitespace(text, TRIM_ALL, &trimmed);
   if (trimmed.empty())
@@ -264,11 +264,13 @@
   if (url_parse::DoesBeginWindowsDriveSpec(trimmed.data(), 0, trimmed_length)
       || url_parse::DoesBeginUNCPath(trimmed.data(), 0, trimmed_length, false))
     return L"file";
+#endif
 
   // Otherwise, we need to look at things carefully.
   wstring scheme;
-  if (url_parse::ExtractScheme(text.data(),
-                               static_cast<int>(text.length()),
+  string text_utf8 = WideToUTF8(text);
+  if (url_parse::ExtractScheme(text_utf8.c_str(),
+                               static_cast<int>(text_utf8.length()),
                                &parts->scheme)) {
     // We were able to extract a scheme.  Remember what we have, but we may
     // decide to change our minds later.
@@ -302,14 +304,18 @@
   StringToLowerASCII(&scheme);
 
   // Not segmenting file schemes or nonstandard schemes.
+  string scheme_utf8 = WideToUTF8(scheme);
   if ((scheme == L"file") ||
-      !url_util::IsStandard(scheme.c_str(), static_cast<int>(scheme.length()),
-          url_parse::Component(0, static_cast<int>(scheme.length()))))
+      !url_util::IsStandard(scheme_utf8.c_str(),
+          static_cast<int>(scheme_utf8.length()),
+          url_parse::Component(0, static_cast<int>(scheme_utf8.length()))))
     return scheme;
 
   if (parts->scheme.is_valid()) {
     // Have the GURL parser do the heavy lifting for us.
-    url_parse::ParseStandardURL(text.data(), static_cast<int>(text.length()),
+    string text_utf8 = WideToUTF8(text);
+    url_parse::ParseStandardURL(text_utf8.c_str(),
+                                static_cast<int>(text_utf8.length()),
                                 parts);
     return scheme;
   }
@@ -328,8 +334,9 @@
   text_to_parse.append(first_nonwhite, text.end());
 
   // Have the GURL parser do the heavy lifting for us.
-  url_parse::ParseStandardURL(text_to_parse.data(),
-                              static_cast<int>(text_to_parse.length()),
+  string text_to_parse_utf8 = WideToUTF8(text_to_parse);
+  url_parse::ParseStandardURL(text_to_parse_utf8.c_str(),
+                              static_cast<int>(text_to_parse_utf8.length()),
                               parts);
 
   // Offset the results of the parse to match the original text.
@@ -362,8 +369,9 @@
     return (parts.scheme.is_valid() ? text : FixupPath(text));
 
   // For some schemes whose layouts we understand, we rebuild it.
-  if (url_util::IsStandard(scheme.c_str(), static_cast<int>(scheme.length()),
-          url_parse::Component(0, static_cast<int>(scheme.length())))) {
+  if (url_util::IsStandard(
+      WideToUTF8(scheme).c_str(), static_cast<int>(scheme.length()),
+      url_parse::Component(0, static_cast<int>(scheme.length())))) {
     wstring url(scheme);
     url.append(L"://");
 
@@ -402,12 +410,11 @@
 // regular fixup.
 wstring URLFixerUpper::FixupRelativeFile(const wstring& base_dir,
                                          const wstring& text) {
-  wchar_t old_cur_directory[MAX_PATH];
+  wstring old_cur_directory;
   if (!base_dir.empty()) {
     // save the old current directory before we move to the new one
-    // TODO: in the future, we may want to handle paths longer than MAX_PATH
-    GetCurrentDirectory(MAX_PATH, old_cur_directory);
-    SetCurrentDirectory(base_dir.c_str());
+    file_util::GetCurrentDirectory(&old_cur_directory);
+    file_util::SetCurrentDirectory(base_dir);
   }
 
   // allow funny input with extra whitespace and the wrong kind of slashes
@@ -429,7 +436,7 @@
 
   // Put back the current directory if we saved it.
   if (!base_dir.empty())
-    SetCurrentDirectory(old_cur_directory);
+    file_util::SetCurrentDirectory(old_cur_directory);
 
   if (is_file) {
     GURL file_url = net::FilePathToFileURL(full_path);