Actually free plugin implement vars when running out of process when the

plugin holds a reference beyond the lifetime of the instance.
Review URL: https://chromiumcodereview.appspot.com/10542150

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@142787 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 6 insertions, 0 deletions

diff --git a/ppapi/shared_impl/test_globals.h b/ppapi/shared_impl/test_globals.h
index 2fa2192..3675347 100644
--- a/ppapi/shared_impl/test_globals.h
+++ b/ppapi/shared_impl/test_globals.h
@@ -20,6 +20,8 @@ class TestVarTracker : public VarTracker {
   virtual ArrayBufferVar* CreateArrayBuffer(uint32 size_in_bytes) OVERRIDE {
     return NULL;
   }
+  virtual void DidDeleteInstance(PP_Instance instance) OVERRIDE {
+  }
 };
 
 // Implementation of PpapiGlobals for tests that don't need either the host- or
diff --git a/ppapi/shared_impl/var_tracker.h b/ppapi/shared_impl/var_tracker.h
index 9ab22f2..b873250 100644
--- a/ppapi/shared_impl/var_tracker.h
+++ b/ppapi/shared_impl/var_tracker.h
@@ -11,6 +11,7 @@
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/non_thread_safe.h"
+#include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/shared_impl/ppapi_shared_export.h"
@@ -84,6 +85,9 @@ class PPAPI_SHARED_EXPORT VarTracker
   int GetRefCountForObject(const PP_Var& object);
   int GetTrackedWithNoReferenceCountForObject(const PP_Var& object);
 
+  // Called after an instance is deleted to do var cleanup.
+  virtual void DidDeleteInstance(PP_Instance instance) = 0;
+
  protected:
   struct VarInfo {
     VarInfo();