Resubmit 21609003: Move ExtensionError to extensions/, add error limits

chrome/browser/extensions/error_console/extension_error.cc

-// Copyright 2013 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 "chrome/browser/extensions/error_console/extension_error.h"
-
-#include "base/json/json_reader.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/values.h"
-#include "chrome/common/extensions/extension.h"
-#include "extensions/common/constants.h"
-
-using base::string16;
-
-namespace extensions {
-
-namespace {
-
-const char kLineNumberKey[] = "lineNumber";
-const char kColumnNumberKey[] = "columnNumber";
-const char kURLKey[] = "url";
-const char kFunctionNameKey[] = "functionName";
-const char kExecutionContextURLKey[] = "executionContextURL";
-const char kStackTraceKey[] = "stackTrace";
-
-// Try to retrieve an extension ID from a |url|. On success, returns true and
-// populates |extension_id| with the ID. On failure, returns false and leaves
-// extension_id untouched.
-bool GetExtensionIDFromGURL(const GURL& url, std::string* extension_id) {
-  if (url.SchemeIs(extensions::kExtensionScheme)) {
-    *extension_id = url.host();
-    return true;
-  }
-  return false;
-}
-
-}  // namespace
-
-ExtensionError::ExtensionError(Type type,
-                               bool from_incognito,
-                               const string16& source,
-                               const string16& message)
-    : type_(type),
-      from_incognito_(from_incognito),
-      source_(source),
-      message_(message) {
-}
-
-ExtensionError::~ExtensionError() {
-}
-
-std::string ExtensionError::PrintForTest() const {
-  return std::string("Extension Error:") +
-         "\n  OTR:     " + std::string(from_incognito_ ? "true" : "false") +
-         "\n  Source:  " + base::UTF16ToUTF8(source_) +
-         "\n  Message: " + base::UTF16ToUTF8(message_) +
-         "\n  ID:      " + extension_id_;
-}
-
-ManifestParsingError::ManifestParsingError(bool from_incognito,
-                                           const string16& source,
-                                           const string16& message,
-                                           size_t line_number)
-    : ExtensionError(ExtensionError::MANIFEST_PARSING_ERROR,
-                     from_incognito,
-                     source,
-                     message),
-      line_number_(line_number) {
-}
-
-ManifestParsingError::~ManifestParsingError() {
-}
-
-std::string ManifestParsingError::PrintForTest() const {
-  return ExtensionError::PrintForTest() +
-         "\n  Type:    ManifestParsingError" +
-         "\n  Line:    " + base::IntToString(line_number_);
-}
-
-JavascriptRuntimeError::StackFrame::StackFrame() : line_number(-1),
-                                                   column_number(-1) {
-}
-
-JavascriptRuntimeError::StackFrame::StackFrame(size_t frame_line,
-                                               size_t frame_column,
-                                               const string16& frame_url,
-                                               const string16& frame_function)
-    : line_number(frame_line),
-      column_number(frame_column),
-      url(frame_url),
-      function(frame_function) {
-}
-
-JavascriptRuntimeError::StackFrame::~StackFrame() {
-}
-
-JavascriptRuntimeError::JavascriptRuntimeError(bool from_incognito,
-                                               const string16& source,
-                                               const string16& message,
-                                               logging::LogSeverity level,
-                                               const string16& details)
-    : ExtensionError(ExtensionError::JAVASCRIPT_RUNTIME_ERROR,
-                     from_incognito,
-                     source,
-                     message),
-      level_(level) {
-  ParseDetails(details);
-  DetermineExtensionID();
-}
-
-JavascriptRuntimeError::~JavascriptRuntimeError() {
-}
-
-std::string JavascriptRuntimeError::PrintForTest() const {
-  std::string result = ExtensionError::PrintForTest() +
-         "\n  Type:    JavascriptRuntimeError"
-         "\n  Context: " + base::UTF16ToUTF8(execution_context_url_) +
-         "\n  Stack Trace: ";
-  for (StackTrace::const_iterator iter = stack_trace_.begin();
-       iter != stack_trace_.end(); ++iter) {
-    result += "\n    {"
-              "\n      Line:     " + base::IntToString(iter->line_number) +
-              "\n      Column:   " + base::IntToString(iter->column_number) +
-              "\n      URL:      " + base::UTF16ToUTF8(iter->url) +
-              "\n      Function: " + base::UTF16ToUTF8(iter->function) +
-              "\n    }";
-  }
-  return result;
-}
-
-void JavascriptRuntimeError::ParseDetails(const string16& details) {
-  scoped_ptr<base::Value> value(
-      base::JSONReader::Read(base::UTF16ToUTF8(details)));
-  const base::DictionaryValue* details_value;
-  const base::ListValue* trace_value = NULL;
-
-  // The |details| value should contain an execution context url and a stack
-  // trace.
-  if (!value.get() ||
-      !value->GetAsDictionary(&details_value) ||
-      !details_value->GetString(kExecutionContextURLKey,
-                                &execution_context_url_) ||
-      !details_value->GetList(kStackTraceKey, &trace_value)) {
-    NOTREACHED();
-    return;
-  }
-
-  int line = 0;
-  int column = 0;
-  string16 url;
-
-  for (size_t i = 0; i < trace_value->GetSize(); ++i) {
-    const base::DictionaryValue* frame_value = NULL;
-    CHECK(trace_value->GetDictionary(i, &frame_value));
-
-    frame_value->GetInteger(kLineNumberKey, &line);
-    frame_value->GetInteger(kColumnNumberKey, &column);
-    frame_value->GetString(kURLKey, &url);
-
-    string16 function;
-    frame_value->GetString(kFunctionNameKey, &function);  // This can be empty.
-    stack_trace_.push_back(StackFrame(line, column, url, function));
-  }
-}
-
-void JavascriptRuntimeError::DetermineExtensionID() {
-  if (!GetExtensionIDFromGURL(GURL(source_), &extension_id_))
-    GetExtensionIDFromGURL(GURL(execution_context_url_), &extension_id_);
-}
-
-}  // namespace extensions