ErrorConsole Switch, Duplicate Error Detection, Dev Mode Check

extensions/browser/extension_error.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_EXTENSION_ERROR_H_
 #define EXTENSIONS_BROWSER_EXTENSION_ERROR_H_
 
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/strings/string16.h"
 
 namespace extensions {
 
 class ExtensionError {
  public:
   enum Type {
-    MANIFEST_PARSING_ERROR,
-    JAVASCRIPT_RUNTIME_ERROR
+    MANIFEST_ERROR,
+    RUNTIME_ERROR
   };
 
   virtual ~ExtensionError();
 
   virtual std::string PrintForTest() const;
 
+  // Return true if this error and |rhs| are considered equal, and should be
+  // grouped together.
+  bool IsEqual(const ExtensionError* rhs) const;
+
   Type type() const { return type_; }
+  const std::string& extension_id() const { return extension_id_; }
+  bool from_incognito() const { return from_incognito_; }
+  logging::LogSeverity level() const { return level_; }
   const base::string16& source() const { return source_; }
   const base::string16& message() const { return message_; }
-  const std::string& extension_id() const { return extension_id_; }
-  bool from_incognito() const { return from_incognito_; }
+  size_t occurrences() const { return occurrences_; }
+  void set_occurrences(size_t occurrences) { occurrences_ = occurrences; }
 
  protected:
   ExtensionError(Type type,
                  const std::string& extension_id,
                  bool from_incognito,
+                 logging::LogSeverity level,
                  const base::string16& source,
                  const base::string16& message);
 
+  virtual bool IsEqualImpl(const ExtensionError* rhs) const = 0;
+
   // Which type of error this is.
   Type type_;
   // The ID of the extension which caused the error.
   std::string extension_id_;
   // Whether or not the error was caused while incognito.
   bool from_incognito_;
+  // The severity level of the error.
+  logging::LogSeverity level_;
   // The source for the error; this can be a script, web page, or manifest file.
   // This is stored as a string (rather than a url) since it can be a Chrome
   // script file (e.g., event_bindings.js).
   base::string16 source_;
   // The error message itself.
   base::string16 message_;
+  // The number of times this error has occurred.
+  size_t occurrences_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionError);
 };
 
-class ManifestParsingError : public ExtensionError {
+class ManifestError : public ExtensionError {
  public:
-  ManifestParsingError(const std::string& extension_id,
-                       const base::string16& message);
-  virtual ~ManifestParsingError();
+  ManifestError(const std::string& extension_id,
+                const base::string16& message);
+  virtual ~ManifestError();
 
   virtual std::string PrintForTest() const OVERRIDE;
  private:
-  DISALLOW_COPY_AND_ASSIGN(ManifestParsingError);
+  virtual bool IsEqualImpl(const ExtensionError* rhs) const OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(ManifestError);
 };
 
-class JavascriptRuntimeError : public ExtensionError {
+class RuntimeError : public ExtensionError {
  public:
   struct StackFrame {
     size_t line_number;
     size_t column_number;
     // This is stored as a string (rather than a url) since it can be a
     // Chrome script file (e.g., event_bindings.js).
     base::string16 url;
     base::string16 function;  // optional
 
     // STL-Required constructor
     StackFrame();
 
     StackFrame(size_t frame_line,
                size_t frame_column,
                const base::string16& frame_url,
                const base::string16& frame_function  /* can be empty */);
 
     ~StackFrame();
+
+    bool operator==(const StackFrame& rhs) const;
   };
   typedef std::vector<StackFrame> StackTrace;
 
-  JavascriptRuntimeError(bool from_incognito,
-                         const base::string16& source,
-                         const base::string16& message,
-                         logging::LogSeverity level,
-                         const base::string16& details);
-  virtual ~JavascriptRuntimeError();
+  RuntimeError(bool from_incognito,
+               const base::string16& source,
+               const base::string16& message,
+               logging::LogSeverity level,
+               const base::string16& details);
+  virtual ~RuntimeError();
 
   virtual std::string PrintForTest() const OVERRIDE;
 
-  logging::LogSeverity level() const { return level_; }
   const base::string16& execution_context_url() const {
       return execution_context_url_;
   }
   const StackTrace& stack_trace() const { return stack_trace_; }
  private:
+  virtual bool IsEqualImpl(const ExtensionError* rhs) const OVERRIDE;
+
   // Parse the JSON |details| passed to the error. This includes a stack trace
   // and an execution context url.
   void ParseDetails(const base::string16& details);
   // Try to determine the ID of the extension. This may be obtained through the
   // reported source, or through the execution context url.
   void DetermineExtensionID();
 
-  logging::LogSeverity level_;
   base::string16 execution_context_url_;
   StackTrace stack_trace_;
 
-  DISALLOW_COPY_AND_ASSIGN(JavascriptRuntimeError);
+  DISALLOW_COPY_AND_ASSIGN(RuntimeError);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EXTENSION_ERROR_H_