Remove NOTREACHED verifying no previous exceptions are set in PepperTryCatch

content/renderer/pepper/pepper_try_catch.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/pepper/pepper_try_catch.h"
 
 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 #include "gin/converter.h"
 #include "ppapi/shared_impl/ppapi_globals.h"
 #include "ppapi/shared_impl/var_tracker.h"
@@ skipping 91 matching lines @@
   exception_ = PP_MakeUndefined();
   return true;
 }
 
 void PepperTryCatchV8::ThrowException(const char* message) {
   SetException(message);
   ThrowException();
 }
 
 void PepperTryCatchV8::SetException(const char* message) {
-  if (HasException()) {
-    NOTREACHED();
+  if (HasException())
     return;
-  }
+
   exception_ = ppapi::StringVar::StringToPPVar(message);
 }
 
 PepperTryCatchVar::PepperTryCatchVar(PepperPluginInstanceImpl* instance,
                                      PP_Var* exception)
     : PepperTryCatch(instance, V8VarConverter::kAllowObjectVars),
       handle_scope_(instance_->GetIsolate()),
       exception_(exception),
       exception_is_set_(false) {
   // We switch to the plugin context.
@@ skipping 23 matching lines @@
   if (!exception_message.empty()) {
     exception_is_set_ = true;
     if (exception_)
       *exception_ = ppapi::StringVar::StringToPPVar(exception_message);
   }
 
   return exception_is_set_;
 }
 
 void PepperTryCatchVar::SetException(const char* message) {
-  if (exception_is_set_) {
-    NOTREACHED();
+  if (exception_is_set_)
     return;
-  }
+
   if (exception_)
     *exception_ = ppapi::StringVar::StringToPPVar(message, strlen(message));
   exception_is_set_ = true;
 }
 
 }  // namespace content