Make glGetQueryObjectuivEXT return true for GL_QUERY_RESULT_AVAILABLE_EXT

gpu/command_buffer/client/cmd_buffer_helper.cc

Index: gpu/command_buffer/client/cmd_buffer_helper.cc
diff --git a/gpu/command_buffer/client/cmd_buffer_helper.cc b/gpu/command_buffer/client/cmd_buffer_helper.cc
index 3eba54fd60801900c7f7f1dcdf12bd0da4e9de93..3dcc318c79b579285f7dbc936ab663847749fe9a 100644
--- a/gpu/command_buffer/client/cmd_buffer_helper.cc
+++ b/gpu/command_buffer/client/cmd_buffer_helper.cc
@@ -22,9 +22,17 @@ CommandBufferHelper::CommandBufferHelper(CommandBuffer* command_buffer)
       last_put_sent_(0),
       commands_issued_(0),
       usable_(true),
+      context_lost_(false),
       last_flush_time_(0) {
 }
 
+bool CommandBufferHelper::IsContextLost() {
+  if (!context_lost_) {
+    context_lost_ = error::IsError(command_buffer()->GetLastError());
+  }
+  return context_lost_;
+}
+
 bool CommandBufferHelper::AllocateRingBuffer() {
   if (!usable()) {
     return false;