Implement in-process PPB_VarArrayBuffer_Dev.

webkit/plugins/ppapi/host_var_tracker.cc

Index: webkit/plugins/ppapi/host_var_tracker.cc
diff --git a/webkit/plugins/ppapi/host_var_tracker.cc b/webkit/plugins/ppapi/host_var_tracker.cc
index 0508d2cbf27960834aac7f35e0a0471aaa36489d..51ba0e84453b02f6d7c53971008f863ab37c8ced 100644
--- a/webkit/plugins/ppapi/host_var_tracker.cc
+++ b/webkit/plugins/ppapi/host_var_tracker.cc
@@ -6,9 +6,11 @@
 
 #include "base/logging.h"
 #include "ppapi/c/pp_var.h"
+#include "webkit/plugins/ppapi/host_array_buffer_var.h"
 #include "webkit/plugins/ppapi/npobject_var.h"
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 
+using ppapi::ArrayBufferVar;
 using ppapi::NPObjectVar;
 
 namespace webkit {
@@ -20,6 +22,10 @@ HostVarTracker::HostVarTracker() {
 HostVarTracker::~HostVarTracker() {
 }
 
+ArrayBufferVar* HostVarTracker::CreateArrayBuffer(uint32 size_in_bytes) {
+  return new HostArrayBufferVar(size_in_bytes);
+}
+
 void HostVarTracker::AddNPObjectVar(NPObjectVar* object_var) {
   InstanceMap::iterator found_instance = instance_map_.find(
       object_var->pp_instance());