DevTools: Introduce Page.getManifest remote debugging protocol method.

content/renderer/manifest/manifest_parser.cc

Index: content/renderer/manifest/manifest_parser.cc
diff --git a/content/renderer/manifest/manifest_parser.cc b/content/renderer/manifest/manifest_parser.cc
index 40d4d3311004f334c47ebb315459bb413943b7a3..f129b01fec4ce60ca4eede323b30fcd8cf1d2c09 100644
--- a/content/renderer/manifest/manifest_parser.cc
+++ b/content/renderer/manifest/manifest_parser.cc
@@ -150,9 +150,10 @@ const Manifest& ManifestParser::manifest() const {
   return manifest_;
 }
 
-const std::vector<std::unique_ptr<ManifestParser::ErrorInfo>>&
-ManifestParser::errors() const {
-  return errors_;
+void ManifestParser::TakeErrors(
+    std::vector<ManifestDebugInfo::Error>* errors) {
+  errors->clear();
+  errors->swap(errors_);
 }
 
 bool ManifestParser::failed() const {
@@ -446,7 +447,7 @@ base::NullableString16 ManifestParser::ParseGCMSenderID(
 void ManifestParser::AddErrorInfo(const std::string& error_msg,
                                   int error_line,
                                   int error_column) {
-  errors_.push_back(
-      base::WrapUnique(new ErrorInfo(error_msg, error_line, error_column)));
+  errors_.push_back({error_msg, error_line, error_column});
 }
+
 } // namespace content