add onnx model parse api

parser/caffe/caffe_parser.h

@@ -55,7 +55,7 @@ class CaffeModelParser : public domi::ModelParser {
   Status Parse(const char *file, ge::Graph &graph) override;
   Status ParseFromMemory(const char *data, uint32_t size, ge::ComputeGraphPtr &graph) override;
   virtual Status ParseFromMemory(const char *data, uint32_t size, ge::Graph &graph) {
-	  return domi::SUCCESS;
+	return domi::SUCCESS;
   }
 
   /**

parser/onnx/onnx_parser.h

@@ -40,7 +40,7 @@ class OnnxModelParser : public domi::ModelParser {
 
   Status ParseFromMemory(const char *data, uint32_t size, ge::ComputeGraphPtr &graph) override { return domi::SUCCESS; }
   virtual Status ParseFromMemory(const char *data, uint32_t size, ge::Graph &graph) {
-	  return domi::SUCCESS;
+	return domi::SUCCESS;
   }
 
   Status ParseProto(const google::protobuf::Message *proto, ge::ComputeGraphPtr &graph) override {

parser/tensorflow/tensorflow_parser.h

@@ -92,7 +92,7 @@ class TensorFlowModelParser : public domi::ModelParser {
 
   Status ParseFromMemory(const char *data, uint32_t size, ge::ComputeGraphPtr &graph) override;
   virtual Status ParseFromMemory(const char *data, uint32_t size, ge::Graph &graph) {
-	  return domi::SUCCESS;
+	return domi::SUCCESS;
   }
 
   /**