md-settings: add routing to chrome://settings/triggeredResetProfileSettings

chrome/browser/ui/webui/settings/reset_settings_handler.cc

Index: chrome/browser/ui/webui/settings/reset_settings_handler.cc
diff --git a/chrome/browser/ui/webui/settings/reset_settings_handler.cc b/chrome/browser/ui/webui/settings/reset_settings_handler.cc
index 6ede5f095966b26b03d47d4616409a4ddca3a45a..b0185813167dc6b64b45dd4962520e822bf63c46 100644
--- a/chrome/browser/ui/webui/settings/reset_settings_handler.cc
+++ b/chrome/browser/ui/webui/settings/reset_settings_handler.cc
@@ -22,10 +22,12 @@
 #include "chrome/browser/profile_resetter/resettable_settings_snapshot.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/url_constants.h"
+#include "chrome/grit/generated_resources.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
+#include "ui/base/l10n/l10n_util.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/browser_process.h"
@@ -90,6 +92,10 @@ void ResetSettingsHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("onHideResetProfileBanner",
       base::Bind(&ResetSettingsHandler::OnHideResetProfileBanner,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "getTriggeredResetToolName",
+      base::Bind(&ResetSettingsHandler::HandleGetTriggeredResetToolName,
+                 base::Unretained(this)));
 #if defined(OS_CHROMEOS)
   web_ui()->RegisterMessageCallback(
        "onPowerwashDialogShow",
@@ -233,6 +239,39 @@ ProfileResetter* ResetSettingsHandler::GetResetter() {
   return resetter_.get();
 }
 
+void ResetSettingsHandler::HandleGetTriggeredResetToolName(
+    const base::ListValue* args) {
+  AllowJavascript();
+
+  CHECK_EQ(1U, args->GetSize());
+  std::string callback_id;
+  CHECK(args->GetString(0, &callback_id));

[Dan Beam, 2016/09/28 01:40:09]

instead of getting this as a string and then making a string value, can you just
leave this as a base::Value and forward it along to ResolveJavascriptCallback()?
 as in:

base::Value* callback_id;
args->Get(0, &callback_id);

[alito, 2016/09/28 04:27:29]

Done.

+
+  // Set up the localized strings for the triggered profile reset dialog.
+  // Custom reset tool names are supported on Windows only.
+  base::string16 reset_tool_name;
+#if defined(OS_WIN)
+  Profile* profile = Profile::FromWebUI(web_ui());
+  TriggeredProfileResetter* triggered_profile_resetter =
+      TriggeredProfileResetterFactory::GetForBrowserContext(profile);
+  // TriggeredProfileResetter instance will be nullptr for incognito profiles.
+  if (triggered_profile_resetter) {
+    reset_tool_name = triggered_profile_resetter->GetResetToolName();
+
+    // Now that a reset UI has been shown, don't trigger again for this profile.
+    triggered_profile_resetter->ClearResetTrigger();
+  }
+#endif  // defined(OS_WIN)
+
+  if (reset_tool_name.empty()) {
+    reset_tool_name = l10n_util::GetStringUTF16(
+        IDS_TRIGGERED_RESET_PROFILE_SETTINGS_DEFAULT_TOOL_NAME);
+  }
+
+  base::StringValue string_value(reset_tool_name);
+  ResolveJavascriptCallback(base::StringValue(callback_id), string_value);
+}
+
 #if defined(OS_CHROMEOS)
 void ResetSettingsHandler::OnShowPowerwashDialog(
      const base::ListValue* args) {