Revert 107895 - Fully enable about:tracking by default

chrome/browser/browser_about_handler.cc

 // Copyright (c) 2011 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/browser_about_handler.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 127 matching lines @@
   chrome::kChromeUIPrintHost,
   chrome::kChromeUIQuotaInternalsHost,
   chrome::kChromeUISessionsHost,
   chrome::kChromeUISettingsHost,
   chrome::kChromeUIStatsHost,
   chrome::kChromeUISyncInternalsHost,
   chrome::kChromeUITaskManagerHost,
   chrome::kChromeUITCMallocHost,
   chrome::kChromeUITermsHost,
   chrome::kChromeUITracingHost,
-  chrome::kChromeUITrackingHost,
   chrome::kChromeUIVersionHost,
   chrome::kChromeUIWorkersHost,
+#if defined(TRACK_ALL_TASK_OBJECTS)
+  chrome::kChromeUITrackingHost,
+#endif
 #if defined(OS_WIN)
   chrome::kChromeUIConflictsHost,
 #endif
 #if defined(OS_LINUX)
   chrome::kChromeUILinuxProxyConfigHost,
   chrome::kChromeUISandboxHost,
 #endif
 #if defined(OS_CHROMEOS)
   chrome::kChromeUIActiveDownloadsHost,
   chrome::kChromeUIChooseMobileNetworkHost,
@@ skipping 14 matching lines @@
 const char* const kAboutSourceNames[] = {
   chrome::kChromeUIChromeURLsHost,
   chrome::kChromeUICreditsHost,
   chrome::kChromeUIDNSHost,
   chrome::kChromeUIHistogramsHost,
   chrome::kChromeUIMemoryHost,
   chrome::kChromeUIMemoryRedirectHost,
   chrome::kChromeUIStatsHost,
   chrome::kChromeUITaskManagerHost,
   chrome::kChromeUITermsHost,
+  chrome::kChromeUIVersionHost,
+#if defined(TRACK_ALL_TASK_OBJECTS)
   chrome::kChromeUITrackingHost,
-  chrome::kChromeUIVersionHost,
+#endif
 #if defined(USE_TCMALLOC)
   chrome::kChromeUITCMallocHost,
 #endif
 #if defined(OS_LINUX)
   chrome::kChromeUILinuxProxyConfigHost,
   chrome::kChromeUISandboxHost,
 #endif
 #if defined(OS_CHROMEOS)
   chrome::kChromeUICryptohomeHost,
   chrome::kChromeUIDiscardsHost,
@@ skipping 681 matching lines @@
         handler(new AboutMemoryHandler(source, request_id));
     handler->StartFetch();
   } else {
     source->FinishDataRequest(
         ResourceBundle::GetSharedInstance().GetRawDataResource(
             path == kMemoryJsPath ? IDR_ABOUT_MEMORY_JS :
                 IDR_ABOUT_MEMORY_HTML).as_string(), request_id);
   }
 }
 
+#if defined(TRACK_ALL_TASK_OBJECTS)
 static std::string AboutTracking(const std::string& query) {
   std::string unescaped_title("About Tracking");
   if (!query.empty()) {
     unescaped_title += " - ";
     unescaped_title += net::UnescapeURLComponent(query, UnescapeRule::NORMAL);
   }
   std::string data;
   AppendHeader(&data, 0, unescaped_title);
   AppendBody(&data);
   tracked_objects::ThreadData::WriteHTML(query, &data);
   AppendFooter(&data);
   return data;
 }
+#endif  // TRACK_ALL_TASK_OBJECTS
 
 // Handler for filling in the "about:stats" page, as called by the browser's
 // About handler processing.
 // |query| is roughly the query string of the about:stats URL.
 // Returns a string containing the HTML to render for the about:stats page.
 // Conditional Output:
 //      if |query| is "json", returns a JSON format of all counters.
 //      if |query| is "raw", returns plain text of counter deltas.
 //      otherwise, returns HTML with pretty JS/HTML to display the data.
 std::string AboutStats(const std::string& query) {
@@ skipping 550 matching lines @@
   } else if (host == chrome::kChromeUIOSCreditsHost) {
     response = ResourceBundle::GetSharedInstance().GetRawDataResource(
         IDR_OS_CREDITS_HTML).as_string();
 #endif
 #if defined(OS_LINUX)
   } else if (host == chrome::kChromeUISandboxHost) {
     response = AboutSandbox();
 #endif
   } else if (host == chrome::kChromeUIStatsHost) {
     response = AboutStats(path);
+#if defined(TRACK_ALL_TASK_OBJECTS)
   } else if (host == chrome::kChromeUITrackingHost) {
     response = AboutTracking(path);
+#endif
 #if defined(USE_TCMALLOC)
   } else if (host == chrome::kChromeUITCMallocHost) {
     response = AboutTcmalloc();
 #endif
   } else if (host == chrome::kChromeUITermsHost) {
 #if defined(OS_CHROMEOS)
     ChromeOSTermsHandler::Start(this, path, request_id);
     return;
 #else
     response = ResourceBundle::GetSharedInstance().GetRawDataResource(
@@ skipping 146 matching lines @@
   return false;
 }
 
 std::vector<std::string> ChromePaths() {
   std::vector<std::string> paths;
   paths.reserve(arraysize(kChromePaths));
   for (size_t i = 0; i < arraysize(kChromePaths); i++)
     paths.push_back(kChromePaths[i]);
   return paths;
 }