Remove win_util::FormatMessage and FormatLastWin32Error. These were only used...

base/win_util.h

Index: base/win_util.h
===================================================================
--- base/win_util.h	(revision 70263)
+++ base/win_util.h	(working copy)
@@ -23,14 +23,6 @@
 // Returns the string representing the current user sid.
 bool GetUserSidString(std::wstring* user_sid);
 
-// Useful for subclassing a HWND.  Returns the previous window procedure.
-WNDPROC SetWindowProc(HWND hwnd, WNDPROC wndproc);
-
-// Pointer-friendly wrappers around Get/SetWindowLong(..., GWLP_USERDATA, ...)
-// Returns the previously set value.
-void* SetWindowUserData(HWND hwnd, void* user_data);
-void* GetWindowUserData(HWND hwnd);
-
 // Returns true if the shift key is currently pressed.
 bool IsShiftPressed();
 
@@ -40,10 +32,6 @@
 // Returns true if the alt key is currently pressed.
 bool IsAltPressed();
 
-// A version of the GetClassNameW API that returns the class name in an
-// std::wstring.  An empty result indicates a failure to get the class name.
-std::wstring GetClassName(HWND window);
-
 // Returns false if user account control (UAC) has been disabled with the
 // EnableLUA registry flag. Returns true if user account control is enabled.
 // NOTE: The EnableLUA registry flag, which is ignored on Windows XP
@@ -52,13 +40,6 @@
 // if the OS is Vista.
 bool UserAccountControlIsEnabled();
 
-// Use the Win32 API FormatMessage() function to generate a string, using
-// Windows's default Message Compiled resources; ignoring the inserts.
-std::wstring FormatMessage(unsigned messageid);
-
-// Uses the last Win32 error to generate a human readable message string.
-std::wstring FormatLastWin32Error();
-
 // Sets the application id in given IPropertyStore. The function is intended
 // for tagging application/chromium shortcut, browser window and jump list for
 // Win7.