1 files changed, 15 insertions, 0 deletions
diff --git a/gpu/command_buffer/common/command_buffer.h b/gpu/command_buffer/common/command_buffer.h
index d5fb24d..539098b 100644
--- a/gpu/command_buffer/common/command_buffer.h
+++ b/gpu/command_buffer/common/command_buffer.h
@@ -28,6 +28,7 @@ class CommandBuffer {
           put_offset(0),
           token(-1),
           error(error::kNoError),
+          context_lost_reason(error::kUnknown),
           generation(0) {
     }
 
@@ -50,6 +51,9 @@ class CommandBuffer {
     // Error status.
     error::Error error;
 
+    // Lost context detail information.
+    error::ContextLostReason context_lost_reason;
+
     // Generation index of this state. The generation index is incremented every
     // time a new state is retrieved from the command processor, so that
     // consistency can be kept even if IPC messages are processed out-of-order.
@@ -119,6 +123,17 @@ class CommandBuffer {
   // Allows the reader to set the current parse error.
   virtual void SetParseError(error::Error) = 0;
 
+  // Allows the reader to set the current context lost reason.
+  // NOTE: if calling this in conjunction with SetParseError,
+  // call this first.
+  //
+  // TODO(kbr): this temporarily has a definition (i.e., is not pure
+  // virtual) to work around a difficult interdependency with the NaCl
+  // build. Make this pure virtual and remove the body once this is
+  // defined in CommandBufferNaCl and NaCl has rolled forward. See
+  // http://crbug.com/89127 .
+  virtual void SetContextLostReason(error::ContextLostReason);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(CommandBuffer);
 };