mac: Let Carbon plugin stuff buid with the 10.7 SDK

content/plugin/plugin_carbon_interpose_mac.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if !defined(__LP64__)
 
 #include <Carbon/Carbon.h>
 
 #include "content/plugin/plugin_interpose_util_mac.h"
 #include "ui/gfx/rect.h"
 #include "webkit/plugins/npapi/carbon_plugin_window_tracker_mac.h"
 
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 
+#if defined(MAC_OS_X_VERSION_10_7)

[Mark Mentovai, 2012/07/26 22:49:00]

Since we can’t be sure there aren’t “fixed” versions of older SDKs that include
this macro, we should write:

#if defined(MAC_OS_X_VERSION_10_7) && \
    MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7

as is done elsewhere in Chrome.

Specifically, writing MAC_OS_X_VERSION_MAX_ALLOWED is the canonical “key” to
clue a reader in that this is an SDK check.

[Nico, 2012/07/26 22:53:46]

Done.

+// QuickdrawAPI.h is no longer included in the 10.7 SDK, but the symbols are
+// still exported by QD.framework (a subframework of ApplicationServices).
+// http://developer.apple.com/legacy/mac/library/documentation/Carbon/reference/QuickDraw_Ref/QuickDraw_Ref.pdf
+extern "C" {
+Boolean PtInRect(Point pt, const Rect* r);
+void SetCursor(const Cursor* crsr);
+}
+#endif  // defined(MAC_OS_X_VERSION_10_7)
+
 // Returns true if the given window is modal.
 static bool IsModalWindow(WindowRef window) {
   WindowModality modality = kWindowModalityNone;
   WindowRef modal_target = NULL;
   OSStatus status = GetWindowModality(window, &modality, &modal_target);
   return (status == noErr) && (modality != kWindowModalityNone);
 }
 
 static bool IsContainingWindowActive(const OpaquePluginRef delegate) {
   return mac_plugin_interposing::GetPluginWindowHasFocus(delegate);
@@ skipping 159 matching lines @@
   INTERPOSE_FUNCTION(DisposeWindow),
   INTERPOSE_FUNCTION(HideWindow),
   INTERPOSE_FUNCTION(ReleaseWindow),
   INTERPOSE_FUNCTION(DisposeDialog),
   INTERPOSE_FUNCTION(FindWindow),
   INTERPOSE_FUNCTION(SetThemeCursor),
   INTERPOSE_FUNCTION(SetCursor),
 };
 
 #endif  // !__LP64__