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Unified Diff: chrome/browser/browser_about_handler.cc

Issue 7215034: Apply CSP to chrome: and about: pages (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 6 months ago
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Index: chrome/browser/browser_about_handler.cc
===================================================================
--- chrome/browser/browser_about_handler.cc (revision 90431)
+++ chrome/browser/browser_about_handler.cc (working copy)
@@ -106,7 +106,7 @@
// Add paths here to be included in chrome://chrome-urls/.
// These paths will also be suggested by BuiltinProvider.
-const char* kChromePaths[] = {
+const char* const kChromePaths[] = {
chrome::kChromeUIAppCacheInternalsHost,
chrome::kChromeUIBlobInternalsHost,
chrome::kChromeUIChromeURLsHost,
@@ -145,7 +145,7 @@
// Debug paths, presented without links in chrome://about.
// These paths will not be suggested by BuiltinProvider.
-const char* kDebugChromePaths[] = {
+const char* const kDebugChromePaths[] = {
chrome::kChromeUICrashHost,
chrome::kChromeUIKillHost,
chrome::kChromeUIHangHost,
@@ -156,7 +156,7 @@
};
// AboutSource handles these chrome:// paths.
-const char *kAboutSourceNames[] = {
+const char* const kAboutSourceNames[] = {
chrome::kChromeUIChromeURLsHost,
chrome::kChromeUICreditsHost,
chrome::kChromeUIDNSHost,
@@ -183,6 +183,12 @@
#endif
};
+const char kCreditsJsPath[] = "credits.js";
+const char kMemoryJsPath[] = "memory.js";
+const char kStatsJsPath[] = "stats.js";
+const char kStringsJsPath[] = "strings.js";
+const char kVersionJsPath[] = "version.js";
+
class AboutSource : public ChromeURLDataManager::DataSource {
public:
// Construct a data source for the specified |source_name|.
@@ -194,9 +200,7 @@
bool is_incognito,
int request_id) OVERRIDE;
- virtual std::string GetMimeType(const std::string&) const OVERRIDE {
- return "text/html";
- }
+ virtual std::string GetMimeType(const std::string& path) const OVERRIDE;
// Send the response data.
void FinishDataRequest(const std::string& html, int request_id);
@@ -359,9 +363,37 @@
// Individual about handlers ---------------------------------------------------
+void AppendHeader(std::string* output, int refresh,
+ const std::string& unescaped_title) {
+ output->append("<!DOCTYPE HTML>\n<html>\n<head>\n");
+ if (!unescaped_title.empty()) {
+ output->append("<title>");
+ output->append(EscapeForHTML(unescaped_title));
+ output->append("</title>\n");
+ }
+ output->append(
+ "<meta charset=\"utf-8\">\n<meta http-equiv=\"X-WebKit-CSP\" "
+ "content=\"object-src 'none'; script-src 'self' 'unsafe-eval'\">\n");
+ if (refresh > 0) {
+ output->append("<meta http-equiv=\"refresh\" content=\"");
+ output->append(base::IntToString(refresh));
+ output->append("\"/>\n");
+ }
+}
+
+void AppendBody(std::string *output) {
+ output->append("</head>\n<body>\n");
+}
+
+void AppendFooter(std::string *output) {
+ output->append("</body>\n</html>\n");
+}
+
std::string ChromeURLs() {
- std::string html("<html><head><title>Chrome URLs</title></head>\n"
- "<body><h2>List of Chrome URLs</h2>\n<ul>");
+ std::string html;
+ AppendHeader(&html, 0, "Chrome URLs");
+ AppendBody(&html);
+ html += "<h2>List of Chrome URLs</h2>\n<ul>\n";
std::vector<std::string> paths(ChromePaths());
for (std::vector<std::string>::const_iterator i = paths.begin();
i != paths.end(); ++i)
@@ -372,13 +404,13 @@
"them into the address bar if you need them.</p>\n<ul>";
for (size_t i = 0; i < arraysize(kDebugChromePaths); i++)
html += "<li>chrome://" + std::string(kDebugChromePaths[i]) + "</li>\n";
- html += "</ul>\n</body></html>";
+ html += "</ul>\n";
+ AppendFooter(&html);
return html;
}
#if defined(OS_CHROMEOS)
-namespace {
// Html output helper functions
// TODO(stevenjb): L10N this.
@@ -397,27 +429,16 @@
return "<tr>" + text + "</tr>";
}
-std::string AboutHeader(int refresh, const std::string& name) {
- std::string output;
- output.append("<head>");
- output.append("<title>About " + name + "</title>");
- if (refresh > 0)
- output.append("<meta http-equiv=\"refresh\" content=\"" +
- base::IntToString(refresh) + "\"/>");
- output.append("</head>");
- return output;
-}
-
-std::string AboutRefresh(int refresh, const std::string& name) {
- std::string output;
+void AppendRefresh(std::string *output, int refresh, const std::string& name) {
if (refresh > 0) {
- output.append("(Auto-refreshing page every " +
- base::IntToString(refresh) + "s)");
+ output->append("(Auto-refreshing page every ");
+ output->append(base::IntToString(refresh));
+ output->append("s)");
} else {
- output.append("(To auto-refresh this page: about:" + name
- + "/&lt;secs&gt;)");
+ output->append("(To auto-refresh this page: about:");
+ output->append(name);
+ output->append("/&lt;secs&gt;)");
}
- return output;
}
// Helper function to create an Html table header for a Network.
@@ -499,10 +520,9 @@
chromeos::NetworkLibrary* cros =
chromeos::CrosLibrary::Get()->GetNetworkLibrary();
std::string output;
- output.append("<html>");
- output.append(AboutHeader(refresh, "Network"));
- output.append("<body>");
- output.append(AboutRefresh(refresh, "network"));
+ AppendHeader(&output, refresh, "About Network");
+ AppendBody(&output);
+ AppendRefresh(&output, refresh, "network");
if (cros->ethernet_enabled()) {
output.append("<h3>Ethernet:</h3><table border=1>");
@@ -558,7 +578,8 @@
}
}
- output.append("</table></body></html>");
+ output.append("</table>");
+ AppendFooter(&output);
return output;
}
@@ -586,10 +607,9 @@
chromeos::CryptohomeLibrary* cryptohome =
chromeos::CrosLibrary::Get()->GetCryptohomeLibrary();
std::string output;
- output.append("<html>");
- output.append(AboutHeader(refresh, "Cryptohome"));
- output.append("<body>");
- output.append(AboutRefresh(refresh, "cryptohome"));
+ AppendHeader(&output, refresh, "About Cryptohome");
+ AppendBody(&output);
+ AppendRefresh(&output, refresh, "cryptohome");
output.append("<h3>CryptohomeLibrary:</h3>");
output.append("<table>");
@@ -610,9 +630,8 @@
output.append(AddStringRow("token_name", token_name));
output.append(AddStringRow("user_pin", std::string(user_pin.length(), '*')));
output.append("</table>");
+ AppendFooter(&output);
- output.append("</body>");
- output.append("</html>");
return output;
}
@@ -622,8 +641,7 @@
return GetCryptohomeHtmlInfo(refresh);
}
-} // namespace
-#endif
+#endif // OS_CHROMEOS
// AboutDnsHandler bounces the request back to the IO thread to collect
// the DNS information.
@@ -654,7 +672,10 @@
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
std::string data;
+ AppendHeader(&data, 0, "About DNS");
+ AppendBody(&data);
chrome_browser_net::PredictorGetHtmlInfo(&data);
+ AppendFooter(&data);
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
@@ -682,7 +703,8 @@
AboutTcmallocOutputs::GetInstance()->outputs();
// Display any stats for which we sent off requests the last time.
- data.append("<html><head><title>About tcmalloc</title></head><body>\n");
+ AppendHeader(&data, 0, "About tcmalloc");
+ AppendBody(&data);
data.append("<p>Stats as of last page load;");
data.append("reload to get stats as of this page load.</p>\n");
data.append("<table width=\"100%\">\n");
@@ -697,7 +719,7 @@
data.append("</pre></td></tr>\n");
}
data.append("</table>\n");
- data.append("</body></html>\n");
+ AppendFooter(&data);
// Reset our collector singleton.
outputs->clear();
@@ -726,23 +748,48 @@
DCHECK(current_synchronizer != NULL);
current_synchronizer->FetchRendererHistogramsSynchronously(wait_time);
+ std::string unescaped_query;
+ std::string unescaped_title("About Histograms");
+ if (!query.empty()) {
+ unescaped_query = UnescapeURLComponent(query, UnescapeRule::NORMAL);
+ unescaped_title += " - " + unescaped_query;
+ }
+
std::string data;
- base::StatisticsRecorder::WriteHTMLGraph(query, &data);
+ AppendHeader(&data, 0, unescaped_title);
+ AppendBody(&data);
+ base::StatisticsRecorder::WriteHTMLGraph(unescaped_query, &data);
+ AppendFooter(&data);
return data;
}
-void AboutMemory(AboutSource* source, int request_id) {
- // The AboutMemoryHandler cleans itself up, but |StartFetch()| will want the
- // refcount to be greater than 0.
- scoped_refptr<AboutMemoryHandler>
- handler(new AboutMemoryHandler(source, request_id));
- handler->StartFetch();
+void AboutMemory(const std::string& path, AboutSource* source, int request_id) {
+ if (path == kStringsJsPath) {
+ // The AboutMemoryHandler cleans itself up, but |StartFetch()| will want the
+ // refcount to be greater than 0.
+ scoped_refptr<AboutMemoryHandler>
+ 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);
+ }
}
#ifdef TRACK_ALL_TASK_OBJECTS
static std::string AboutObjects(const std::string& query) {
+ std::string unescaped_title("About Histograms");
+ if (!query.empty()) {
+ unescaped_title += " - ";
+ unescaped_title += 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
@@ -852,8 +899,10 @@
}
std::string data;
- if (query == "json") {
+ if (query == "json" || query == kStringsJsPath) {
base::JSONWriter::WriteWithOptionalEscape(&root, true, false, &data);
+ if (query == kStringsJsPath)
+ data = "var templateData = " + data + ";";
} else if (query == "raw") {
// Dump the raw counters which have changed in text format.
data = "<pre>";
@@ -886,22 +935,21 @@
}
data.append("</pre>");
} else {
- // Get about_stats.html and process a pretty page.
- static const base::StringPiece stats_html(
- ResourceBundle::GetSharedInstance().GetRawDataResource(
- IDR_ABOUT_STATS_HTML));
+ // Get about_stats.html/js from resource bundle.
+ data = ResourceBundle::GetSharedInstance().GetRawDataResource(
+ (query == kStatsJsPath ? IDR_ABOUT_STATS_JS : IDR_ABOUT_STATS_HTML)).
+ as_string();
- // Create jstemplate and return.
- data = jstemplate_builder::GetTemplateHtml(
- stats_html, &root, "t" /* template root node id */);
-
- // Clear the timer list since we stored the data in the timers list as well.
- for (int index = static_cast<int>(timers->GetSize())-1; index >= 0;
- index--) {
- Value* value;
- timers->Remove(index, &value);
- // We don't care about the value pointer; it's still tracked
- // on the counters list.
+ if (query != kStatsJsPath) {
+ // Clear the timer list since we stored the data in the timers list
+ // as well.
+ for (int index = static_cast<int>(timers->GetSize())-1; index >= 0;
+ index--) {
+ Value* value;
+ timers->Remove(index, &value);
+ // We don't care about the value pointer; it's still tracked
+ // on the counters list.
+ }
}
}
@@ -911,18 +959,16 @@
#if defined(OS_LINUX)
std::string AboutLinuxProxyConfig() {
std::string data;
- data.append("<!DOCTYPE HTML>\n");
- data.append("<html><head><meta charset=\"utf-8\"><title>");
- data.append(l10n_util::GetStringUTF8(IDS_ABOUT_LINUX_PROXY_CONFIG_TITLE));
- data.append("</title>");
+ AppendHeader(&data, 0,
+ l10n_util::GetStringUTF8(IDS_ABOUT_LINUX_PROXY_CONFIG_TITLE));
data.append("<style>body { max-width: 70ex; padding: 2ex 5ex; }</style>");
- data.append("</head><body>\n");
+ AppendBody(&data);
FilePath binary = CommandLine::ForCurrentProcess()->GetProgram();
data.append(l10n_util::GetStringFUTF8(
- IDS_ABOUT_LINUX_PROXY_CONFIG_BODY,
- l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
- ASCIIToUTF16(binary.BaseName().value())));
- data.append("</body></html>\n");
+ IDS_ABOUT_LINUX_PROXY_CONFIG_BODY,
+ l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
+ ASCIIToUTF16(binary.BaseName().value())));
+ AppendFooter(&data);
return data;
}
@@ -945,11 +991,8 @@
std::string AboutSandbox() {
std::string data;
- data.append("<!DOCTYPE HTML>\n");
- data.append("<html><head><meta charset=\"utf-8\"><title>");
- data.append(l10n_util::GetStringUTF8(IDS_ABOUT_SANDBOX_TITLE));
- data.append("</title>");
- data.append("</head><body>\n");
+ AppendHeader(&data, 0, l10n_util::GetStringUTF8(IDS_ABOUT_SANDBOX_TITLE));
+ AppendBody(&data);
data.append("<h1>");
data.append(l10n_util::GetStringUTF8(IDS_ABOUT_SANDBOX_TITLE));
data.append("</h1>");
@@ -981,12 +1024,20 @@
}
data.append("</p>");
- data.append("</body></html>\n");
+ AppendFooter(&data);
return data;
}
#endif
-std::string AboutVersion(DictionaryValue* localized_strings, Profile* profile) {
+std::string AboutVersionStaticContent(const std::string& query) {
+ return ResourceBundle::GetSharedInstance().GetRawDataResource(
+ query == kVersionJsPath ?
+ IDR_ABOUT_VERSION_JS :
+ IDR_ABOUT_VERSION_HTML).as_string();
+}
+
+std::string AboutVersionStrings(DictionaryValue* localized_strings,
+ Profile* profile) {
localized_strings->SetString("title",
l10n_util::GetStringUTF16(IDS_ABOUT_VERSION_TITLE));
chrome::VersionInfo version_info;
@@ -1086,98 +1137,11 @@
l10n_util::GetStringUTF16(IDS_ABOUT_VERSION_PATH_NOTFOUND));
}
- base::StringPiece version_html(
- ResourceBundle::GetSharedInstance().GetRawDataResource(
- IDR_ABOUT_VERSION_HTML));
-
- return jstemplate_builder::GetTemplatesHtml(
- version_html, localized_strings, "t" /* template root node id */);
+ std::string data;
+ jstemplate_builder::AppendJsonJS(localized_strings, &data);
+ return data;
}
-// AboutSource -----------------------------------------------------------------
-
-AboutSource::AboutSource(const std::string& source_name, Profile* profile)
- : DataSource(source_name, MessageLoop::current()),
- profile_(profile) {
-}
-
-AboutSource::~AboutSource() {
-}
-
-void AboutSource::StartDataRequest(const std::string& path,
- bool is_incognito,
- int request_id) {
- std::string response;
- std::string host = source_name();
- if (host == chrome::kChromeUIDNSHost) {
- AboutDnsHandler::Start(this, request_id);
- return;
- } else if (host == chrome::kChromeUIHistogramsHost) {
- response = AboutHistograms(path);
- } else if (host == chrome::kChromeUIMemoryHost) {
- response = GetAboutMemoryRedirectResponse(profile());
- } else if (host == chrome::kChromeUIMemoryRedirectHost) {
- AboutMemory(this, request_id);
- return;
-#ifdef TRACK_ALL_TASK_OBJECTS
- } else if (host == chrome::kChromeUITasksHost) {
- response = AboutObjects(path);
-#endif
- } else if (host == chrome::kChromeUIStatsHost) {
- response = AboutStats(path);
-#if defined(USE_TCMALLOC)
- } else if (host == chrome::kChromeUITCMallocHost) {
- response = AboutTcmalloc();
-#endif
- } else if (host == chrome::kChromeUIVersionHost) {
-#if defined(OS_CHROMEOS)
- new ChromeOSAboutVersionHandler(this, request_id);
- return;
-#else
- DictionaryValue localized_strings;
- localized_strings.SetString("os_version", "");
- response = AboutVersion(&localized_strings, profile_);
-#endif
- } else if (host == chrome::kChromeUICreditsHost) {
- response = ResourceBundle::GetSharedInstance().GetRawDataResource(
- IDR_CREDITS_HTML).as_string();
- } else if (host == chrome::kChromeUIChromeURLsHost) {
- response = ChromeURLs();
-#if defined(OS_CHROMEOS)
- } else if (host == chrome::kChromeUIOSCreditsHost) {
- response = ResourceBundle::GetSharedInstance().GetRawDataResource(
- IDR_OS_CREDITS_HTML).as_string();
- } else if (host == chrome::kChromeUINetworkHost) {
- response = AboutNetwork(path);
- } else if (host == chrome::kChromeUICryptohomeHost) {
- response = AboutCryptohome(path);
-#endif
- } else if (host == chrome::kChromeUITermsHost) {
-#if defined(OS_CHROMEOS)
- ChromeOSTermsHandler::Start(this, request_id);
- return;
-#else
- response = ResourceBundle::GetSharedInstance().GetRawDataResource(
- IDR_TERMS_HTML).as_string();
-#endif
-#if defined(OS_LINUX)
- } else if (host == chrome::kChromeUILinuxProxyConfigHost) {
- response = AboutLinuxProxyConfig();
- } else if (host == chrome::kChromeUISandboxHost) {
- response = AboutSandbox();
-#endif
- }
-
- FinishDataRequest(response, request_id);
-}
-
-void AboutSource::FinishDataRequest(const std::string& html, int request_id) {
- scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes);
- html_bytes->data.resize(html.size());
- std::copy(html.begin(), html.end(), html_bytes->data.begin());
- SendResponse(request_id, html_bytes);
-}
-
// AboutMemoryHandler ----------------------------------------------------------
// Helper for AboutMemory to bind results from a ProcessMetrics object
@@ -1299,23 +1263,17 @@
root.SetBoolean("show_other_browsers",
browser_defaults::kShowOtherBrowsersInAboutMemory);
- // Get about_memory.html
- static const base::StringPiece memory_html(
- ResourceBundle::GetSharedInstance().GetRawDataResource(
- IDR_ABOUT_MEMORY_HTML));
-
- // Create jstemplate and return.
- std::string template_html = jstemplate_builder::GetTemplateHtml(
- memory_html, &root, "t" /* template root node id */);
-
- source_->FinishDataRequest(template_html, request_id_);
+ std::string data;
+ jstemplate_builder::AppendJsonJS(&root, &data);
+ source_->FinishDataRequest(data, request_id_);
}
#if defined(OS_CHROMEOS)
// ChromeOSAboutVersionHandler -----------------------------------------------
-ChromeOSAboutVersionHandler::ChromeOSAboutVersionHandler(AboutSource* source,
- int request_id)
+ChromeOSAboutVersionHandler::ChromeOSAboutVersionHandler(
+ AboutSource* source,
+ int request_id)
: source_(source),
request_id_(request_id) {
loader_.EnablePlatformVersions(true);
@@ -1329,8 +1287,8 @@
std::string version) {
DictionaryValue localized_strings;
localized_strings.SetString("os_version", version);
- source_->FinishDataRequest(AboutVersion(&localized_strings,
- source_->profile()), request_id_);
+ source_->FinishDataRequest(AboutVersionStrings(
+ &localized_strings, source_->profile()), request_id_);
// CancelableRequestProvider isn't happy when it's deleted and servicing a
// task, so we delay the deletion.
@@ -1341,6 +1299,106 @@
} // namespace
+// AboutSource -----------------------------------------------------------------
+
+AboutSource::AboutSource(const std::string& source_name, Profile* profile)
+ : DataSource(source_name, MessageLoop::current()),
+ profile_(profile) {
+}
+
+AboutSource::~AboutSource() {
+}
+
+void AboutSource::StartDataRequest(const std::string& path,
+ bool is_incognito,
+ int request_id) {
+ std::string response;
+ std::string host = source_name();
+ if (host == chrome::kChromeUIDNSHost) {
+ AboutDnsHandler::Start(this, request_id);
+ return;
+ } else if (host == chrome::kChromeUIHistogramsHost) {
+ response = AboutHistograms(path);
+ } else if (host == chrome::kChromeUIMemoryHost) {
+ response = GetAboutMemoryRedirectResponse(profile());
+ } else if (host == chrome::kChromeUIMemoryRedirectHost) {
+ AboutMemory(path, this, request_id);
+ return;
+#ifdef TRACK_ALL_TASK_OBJECTS
+ } else if (host == chrome::kChromeUITasksHost) {
+ response = AboutObjects(path);
+#endif
+ } else if (host == chrome::kChromeUIStatsHost) {
+ response = AboutStats(path);
+#if defined(USE_TCMALLOC)
+ } else if (host == chrome::kChromeUITCMallocHost) {
+ response = AboutTcmalloc();
+#endif
+ } else if (host == chrome::kChromeUIVersionHost) {
+ if (path == kStringsJsPath) {
+#if defined(OS_CHROMEOS)
+ new ChromeOSAboutVersionHandler(this, request_id);
+ return;
+#else
+ DictionaryValue localized_strings;
+ localized_strings.SetString("os_version", "");
+ response = AboutVersionStrings(&localized_strings, profile_);
+#endif
+ } else {
+ response = AboutVersionStaticContent(path);
+ }
+ } else if (host == chrome::kChromeUICreditsHost) {
+ int idr = (path == kCreditsJsPath) ? IDR_CREDITS_JS : IDR_CREDITS_HTML;
+ response = ResourceBundle::GetSharedInstance().GetRawDataResource(
+ idr).as_string();
+ } else if (host == chrome::kChromeUIChromeURLsHost) {
+ response = ChromeURLs();
+#if defined(OS_CHROMEOS)
+ } else if (host == chrome::kChromeUIOSCreditsHost) {
+ response = ResourceBundle::GetSharedInstance().GetRawDataResource(
+ IDR_OS_CREDITS_HTML).as_string();
+ } else if (host == chrome::kChromeUINetworkHost) {
+ response = AboutNetwork(path);
+ } else if (host == chrome::kChromeUICryptohomeHost) {
+ response = AboutCryptohome(path);
+#endif
+ } else if (host == chrome::kChromeUITermsHost) {
+#if defined(OS_CHROMEOS)
+ ChromeOSTermsHandler::Start(this, request_id);
+ return;
+#else
+ response = ResourceBundle::GetSharedInstance().GetRawDataResource(
+ IDR_TERMS_HTML).as_string();
+#endif
+#if defined(OS_LINUX)
+ } else if (host == chrome::kChromeUILinuxProxyConfigHost) {
+ response = AboutLinuxProxyConfig();
+ } else if (host == chrome::kChromeUISandboxHost) {
+ response = AboutSandbox();
+#endif
+ }
+
+ FinishDataRequest(response, request_id);
+}
+
+void AboutSource::FinishDataRequest(const std::string& html, int request_id) {
+ scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes);
+ html_bytes->data.resize(html.size());
+ std::copy(html.begin(), html.end(), html_bytes->data.begin());
+ SendResponse(request_id, html_bytes);
+}
+
+std::string AboutSource::GetMimeType(const std::string& path) const {
+ if (path == kCreditsJsPath ||
+ path == kStatsJsPath ||
+ path == kStringsJsPath ||
+ path == kVersionJsPath ||
+ path == kMemoryJsPath) {
+ return "application/javascript";
+ }
+ return "text/html";
+}
+
// -----------------------------------------------------------------------------
bool WillHandleBrowserAboutURL(GURL* url, Profile* profile) {
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