Refactor video capture to new design

ppapi/proxy/resource_message_params.cc

Index: ppapi/proxy/resource_message_params.cc
diff --git a/ppapi/proxy/resource_message_params.cc b/ppapi/proxy/resource_message_params.cc
index 6d3fa02f465236e903b54445ca1c8700cce15aa2..763af72e298be207291f57cde4f382fc685efb87 100644
--- a/ppapi/proxy/resource_message_params.cc
+++ b/ppapi/proxy/resource_message_params.cc
@@ -70,6 +70,15 @@ bool ResourceMessageParams::GetSocketHandleAtIndex(
   return true;
 }
 
+void ResourceMessageParams::GetAllSharedMemoryHandles(
+    std::vector<base::SharedMemoryHandle>* handles) const {
+  for (size_t i = 0; i < handles_.size(); ++i) {
+    base::SharedMemoryHandle handle;
+    if (GetSharedMemoryHandleAtIndex(i, &handle));
+      handles->push_back(handle);
+  }
+}
+
 void ResourceMessageParams::AppendHandle(const SerializedHandle& handle) {
   handles_.push_back(handle);
 }