(Mac) Intercept (Carbon) cursor setting by plugins and forward it on properly.

BUG=http://crbug.com/20717
TEST=as in bug; this covers old Flash

Review URL: http://codereview.chromium.org/550062

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@36416 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 14 insertions, 0 deletions

diff --git a/chrome/plugin/plugin_interpose_util_mac.h b/chrome/plugin/plugin_interpose_util_mac.h
index c68d1f2..75d1142 100644
--- a/chrome/plugin/plugin_interpose_util_mac.h
+++ b/chrome/plugin/plugin_interpose_util_mac.h
@@ -9,6 +9,8 @@
 
 #import "base/basictypes.h"
 
+class WebPluginDelegateImpl;
+
 namespace mac_plugin_interposing {
 
 // Swizzles methods we need to watch in order to manage process and window
@@ -33,6 +35,10 @@ void NotifyBrowserOfPluginShowWindow(uint32 window_id, CGRect bounds,
 // no remaining plugin windows.
 void NotifyBrowserOfPluginHideWindow(uint32 window_id, CGRect bounds);
 
+// Sends a message to the plugin that a theme cursor was set.
+void NotifyPluginOfSetThemeCursor(WebPluginDelegateImpl* delegate,
+                                  ThemeCursor cursor);
+
 }  // namespace MacPluginInterpose
 
 #endif  // CHROME_PLUGIN_PLUGIN_INTERPOSE_UTIL_MAC_H_
diff --git a/chrome/plugin/plugin_interpose_util_mac.mm b/chrome/plugin/plugin_interpose_util_mac.mm
index 58165e2..1cad1bb 100644
--- a/chrome/plugin/plugin_interpose_util_mac.mm
+++ b/chrome/plugin/plugin_interpose_util_mac.mm
@@ -9,6 +9,7 @@
 
 #include "chrome/common/plugin_messages.h"
 #include "chrome/plugin/plugin_thread.h"
+#include "webkit/glue/plugins/webplugin_delegate_impl.h"
 
 namespace mac_plugin_interposing {
 
@@ -63,6 +64,13 @@ void NotifyBrowserOfPluginHideWindow(uint32 window_id, CGRect bounds) {
   }
 }
 
+__attribute__((visibility("default")))
+void NotifyPluginOfSetThemeCursor(WebPluginDelegateImpl* delegate,
+                                  ThemeCursor cursor) {
+  delegate->SetThemeCursor(cursor);
+}
+
+
 }  // namespace mac_plugin_interposing
 
 #pragma mark -