Make Chromium windows not hide auto-hide taskbars, take 2....

chrome/common/win_util.cc

Index: chrome/common/win_util.cc
===================================================================
--- chrome/common/win_util.cc	(revision 11284)
+++ chrome/common/win_util.cc	(working copy)
@@ -28,6 +28,8 @@
 
 namespace win_util {
 
+const int kAutoHideTaskbarThicknessPx = 2;
+
 namespace {
 
 // Enforce visible dialog box.
@@ -624,6 +626,16 @@
   }
 }
 
+bool EdgeHasAutoHideTaskbar(UINT edge, HMONITOR monitor) {
+  APPBARDATA taskbar_data = { 0 };
+  taskbar_data.cbSize = sizeof APPBARDATA;
+  taskbar_data.uEdge = edge;
+  HWND taskbar = reinterpret_cast<HWND>(SHAppBarMessage(ABM_GETAUTOHIDEBAR,
+                                                        &taskbar_data));
+  return ::IsWindow(taskbar) &&
+      (MonitorFromWindow(taskbar, MONITOR_DEFAULTTONEAREST) == monitor);
+}
+
 HANDLE GetSectionFromProcess(HANDLE section, HANDLE process, bool read_only) {
   HANDLE valid_section = NULL;
   DWORD access = STANDARD_RIGHTS_REQUIRED | FILE_MAP_READ;