[Extensions Bindings] Add an ExceptionHandler class

extensions/renderer/bindings/api_last_error.h

Index: extensions/renderer/bindings/api_last_error.h
diff --git a/extensions/renderer/bindings/api_last_error.h b/extensions/renderer/bindings/api_last_error.h
index 1082409ae38d4374b23a619ee7fc00bc7ed26c14..1fb9011343d442fb13315522f507903c7bdeaf47 100644
--- a/extensions/renderer/bindings/api_last_error.h
+++ b/extensions/renderer/bindings/api_last_error.h
@@ -9,6 +9,7 @@
 
 #include "base/callback.h"
 #include "base/macros.h"
+#include "extensions/renderer/bindings/api_binding_types.h"
 #include "v8/include/v8.h"
 
 namespace extensions {
@@ -26,12 +27,9 @@ class APILastError {
   using GetParent = base::Callback<v8::Local<v8::Object>(
       v8::Local<v8::Context>,
       v8::Local<v8::Object>* secondary_parent)>;
-  // Adds an error message to the context's console.
-  using AddConsoleError =
-      base::Callback<void(v8::Local<v8::Context>, const std::string& error)>;
 
   APILastError(const GetParent& get_parent,
-               const AddConsoleError& add_console_error);
+               const binding::AddConsoleError& add_console_error);
   APILastError(APILastError&& other);
   ~APILastError();
 
@@ -60,7 +58,7 @@ class APILastError {
 
   GetParent get_parent_;
 
-  AddConsoleError add_console_error_;
+  binding::AddConsoleError add_console_error_;
 
   DISALLOW_COPY_AND_ASSIGN(APILastError);
 };