Add ErrorConsole UI for Extension Install Warnings

extensions/browser/extension_error.cc

Index: extensions/browser/extension_error.cc
diff --git a/extensions/browser/extension_error.cc b/extensions/browser/extension_error.cc
index 8b6196c4200967605b3eb51f0653035bd4e88744..c3ec504569f82eb077a9a473fbd755ec4ed4bfce 100644
--- a/extensions/browser/extension_error.cc
+++ b/extensions/browser/extension_error.cc
@@ -12,11 +12,20 @@
 #include "url/gurl.h"
 
 using base::string16;
+using base::DictionaryValue;
 
 namespace extensions {
 
 namespace {
 
+const char kTypeKey[] = "type";
+const char kSourceKey[] = "source";
+const char kMessageKey[] = "message";
+const char kExtensionIdKey[] = "extensionId";
+const char kFromIncognitoKey[] = "fromIncognito";
+const char kManifestKeyKey[] = "manifestKey";
+const char kManifestSpecificKey[] = "manifestSpecific";
+const char kLevelKey[] = "level";
 const char kLineNumberKey[] = "lineNumber";
 const char kColumnNumberKey[] = "columnNumber";
 const char kURLKey[] = "url";
@@ -27,7 +36,7 @@ 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) {
+bool GetExtensionIdFromGURL(const GURL& url, std::string* extension_id) {
   if (url.SchemeIs(kExtensionScheme)) {
     *extension_id = url.host();
     return true;
@@ -52,6 +61,17 @@ ExtensionError::ExtensionError(Type type,
 ExtensionError::~ExtensionError() {
 }
 
+scoped_ptr<DictionaryValue> ExtensionError::ToValue() const {
+  scoped_ptr<DictionaryValue> value(new DictionaryValue);
+  value->SetInteger(kTypeKey, static_cast<int>(type_));
+  value->SetString(kExtensionIdKey, extension_id_);
+  value->SetBoolean(kFromIncognitoKey, from_incognito_);
+  value->SetString(kSourceKey, source_);
+  value->SetString(kMessageKey, message_);
+
+  return value.Pass();
+}
+
 std::string ExtensionError::PrintForTest() const {
   return std::string("Extension Error:") +
          "\n  OTR:     " + std::string(from_incognito_ ? "true" : "false") +
@@ -60,23 +80,53 @@ std::string ExtensionError::PrintForTest() const {
          "\n  ID:      " + extension_id_;
 }
 
+bool ExtensionError::IsEqual(const ExtensionError* rhs) const {
+  return type_ == rhs->type_ &&
+         extension_id_ == rhs->extension_id_ &&
+         source_ == rhs->source_ &&
+         message_ == rhs->message_ &&
+         IsEqualImpl(rhs);
+}
+
 ManifestParsingError::ManifestParsingError(const std::string& extension_id,
-                                           const string16& message)
+                                           const string16& message,
+                                           const string16& manifest_key,
+                                           const string16& manifest_specific)
     : ExtensionError(ExtensionError::MANIFEST_PARSING_ERROR,
                      extension_id,
                      false,  // extensions can't be installed while incognito.
                      base::FilePath(kManifestFilename).AsUTF16Unsafe(),
-                     message) {
+                     message),
+      manifest_key_(manifest_key),
+      manifest_specific_(manifest_specific) {
 }
 
 ManifestParsingError::~ManifestParsingError() {
 }
 
+scoped_ptr<DictionaryValue> ManifestParsingError::ToValue() const {
+  scoped_ptr<DictionaryValue> value = ExtensionError::ToValue();
+  // All manifest errors are warnings - if it was a fatal error, we wouldn't
+  // get far enough to add an error for the extension.
+  value->SetInteger(kLevelKey, logging::LOG_WARNING);
+  if (!manifest_key_.empty())
+    value->SetString(kManifestKeyKey, manifest_key_);
+  if (!manifest_specific_.empty())
+    value->SetString(kManifestSpecificKey, manifest_specific_);
+  return value.Pass();
+}
+
 std::string ManifestParsingError::PrintForTest() const {
   return ExtensionError::PrintForTest() +
          "\n  Type:    ManifestParsingError";
 }
 
+bool ManifestParsingError::IsEqualImpl(const ExtensionError* rhs) const {
+  // If two manifest errors have the same extension id and message (which are
+  // both checked in ExtensionError::IsEqual), then they are equal.
+  return true;
+}
+
 JavascriptRuntimeError::StackFrame::StackFrame() : line_number(-1),
                                                    column_number(-1) {
 }
@@ -94,6 +144,13 @@ JavascriptRuntimeError::StackFrame::StackFrame(size_t frame_line,
 JavascriptRuntimeError::StackFrame::~StackFrame() {
 }
 
+bool JavascriptRuntimeError::StackFrame::operator==(
+    const JavascriptRuntimeError::StackFrame& rhs) const {
+  return line_number == rhs.line_number &&
+         column_number == rhs.column_number &&
+         url == rhs.url &&
+         function == rhs.function;
+}
 JavascriptRuntimeError::JavascriptRuntimeError(bool from_incognito,
                                                const string16& source,
                                                const string16& message,
@@ -106,7 +163,7 @@ JavascriptRuntimeError::JavascriptRuntimeError(bool from_incognito,
                      message),
       level_(level) {
   ParseDetails(details);
-  DetermineExtensionID();
+  DetermineExtensionId();
 }
 
 JavascriptRuntimeError::~JavascriptRuntimeError() {
@@ -129,10 +186,23 @@ std::string JavascriptRuntimeError::PrintForTest() const {
   return result;
 }
 
+bool JavascriptRuntimeError::IsEqualImpl(const ExtensionError* rhs) const {
+  const JavascriptRuntimeError* error =
+      static_cast<const JavascriptRuntimeError*>(rhs);
+
+  // We don't look at the full stack trace, because if the first frame is
+  // the same, it's close enough to heuristically count as a duplicate (after
+  // all, the same line caused the error).
+  // If the stack trace is empty, just compare the context.
+  return execution_context_url_ == error->execution_context_url_ &&
+         stack_trace_.size() == error->stack_trace_.size() &&
+         (stack_trace_.empty() || stack_trace_[0] == error->stack_trace_[0]);
+}
+
 void JavascriptRuntimeError::ParseDetails(const string16& details) {
   scoped_ptr<base::Value> value(
       base::JSONReader::Read(base::UTF16ToUTF8(details)));
-  const base::DictionaryValue* details_value;
+  const DictionaryValue* details_value;
   const base::ListValue* trace_value = NULL;
 
   // The |details| value should contain an execution context url and a stack
@@ -151,7 +221,7 @@ void JavascriptRuntimeError::ParseDetails(const string16& details) {
   string16 url;
 
   for (size_t i = 0; i < trace_value->GetSize(); ++i) {
-    const base::DictionaryValue* frame_value = NULL;
+    const DictionaryValue* frame_value = NULL;
     CHECK(trace_value->GetDictionary(i, &frame_value));
 
     frame_value->GetInteger(kLineNumberKey, &line);
@@ -164,9 +234,9 @@ void JavascriptRuntimeError::ParseDetails(const string16& details) {
   }
 }
 
-void JavascriptRuntimeError::DetermineExtensionID() {
-  if (!GetExtensionIDFromGURL(GURL(source_), &extension_id_))
-    GetExtensionIDFromGURL(GURL(execution_context_url_), &extension_id_);
+void JavascriptRuntimeError::DetermineExtensionId() {
+  if (!GetExtensionIdFromGURL(GURL(source_), &extension_id_))
+    GetExtensionIdFromGURL(GURL(execution_context_url_), &extension_id_);
 }
 
 }  // namespace extensions