linux: components support for base/

base/file_util.h

Index: base/file_util.h
diff --git a/base/file_util.h b/base/file_util.h
index 6fe9a3daa400a10cc973baf02091803954089f5b..a187fee7faa158490b741c9c7a0dcb5ce91640a7 100644
--- a/base/file_util.h
+++ b/base/file_util.h
@@ -180,15 +180,16 @@ BASE_API bool ReadFileToString(const FilePath& path, std::string* contents);
 // Read exactly |bytes| bytes from file descriptor |fd|, storing the result
 // in |buffer|. This function is protected against EINTR and partial reads.
 // Returns true iff |bytes| bytes have been successfuly read from |fd|.
-bool ReadFromFD(int fd, char* buffer, size_t bytes);
+BASE_API bool ReadFromFD(int fd, char* buffer, size_t bytes);
 
 // Creates a symbolic link at |symlink| pointing to |target|.  Returns
 // false on failure.
-bool CreateSymbolicLink(const FilePath& target, const FilePath& symlink);
+BASE_API bool CreateSymbolicLink(const FilePath& target,
+                                 const FilePath& symlink);
 
 // Reads the given |symlink| and returns where it points to in |target|.
 // Returns false upon failure.
-bool ReadSymbolicLink(const FilePath& symlink, FilePath* target);
+BASE_API bool ReadSymbolicLink(const FilePath& symlink, FilePath* target);
 #endif  // defined(OS_POSIX)
 
 #if defined(OS_WIN)