In-app messaging to communicate the imminent 32-bit deprecation to 32-bit-only users

chrome/browser/ui/webui/help/help_handler.cc

Index: chrome/browser/ui/webui/help/help_handler.cc
diff --git a/chrome/browser/ui/webui/help/help_handler.cc b/chrome/browser/ui/webui/help/help_handler.cc
index 4f6e39c5596480902582a65c0533878131442fd2..d8a833aec758a2bd1e282b3e47afb8174e84c3ef 100644
--- a/chrome/browser/ui/webui/help/help_handler.cc
+++ b/chrome/browser/ui/webui/help/help_handler.cc
@@ -38,6 +38,10 @@
 #include "v8/include/v8.h"
 #include "webkit/common/user_agent/user_agent_util.h"
 
+#if defined(OS_MACOSX)
+#include "chrome/browser/mac/system_bitness.h"
+#endif
+
 #if defined(OS_CHROMEOS)
 #include "base/files/file_util_proxy.h"
 #include "base/i18n/time_formatting.h"
@@ -215,6 +219,13 @@ void HelpHandler::GetLocalizedValues(content::WebUIDataSource* source) {
                       l10n_util::GetStringUTF16(resources[i].ids));
   }
 
+#if defined(OS_MACOSX)
+  source->AddString("updateObsoleteSystem",
+                    chrome::LocalizedObsoleteSystemString());
+  source->AddString("updateObsoleteSystemURL",
+                    chrome::kMac32BitDeprecationURL);
+#endif
+
   source->AddString(
       "browserVersion",
       l10n_util::GetStringFUTF16(IDS_ABOUT_PRODUCT_VERSION,
@@ -344,6 +355,17 @@ void HelpHandler::OnPageLoaded(const base::ListValue* args) {
 #endif
       );
 
+#if defined(OS_MACOSX)
+  web_ui()->CallJavascriptFunction(
+      "help.HelpPage.setObsoleteSystem",
+      base::FundamentalValue(chrome::Is32BitObsoleteNowOrSoon() &&
+                             chrome::Has32BitOnlyCPU()));
+  web_ui()->CallJavascriptFunction(
+      "help.HelpPage.setObsoleteSystemEndOfTheLine",
+      base::FundamentalValue(chrome::Is32BitObsoleteNowOrSoon() &&
+                             chrome::Is32BitEndOfTheLine()));
+#endif
+
 #if defined(OS_CHROMEOS)
   web_ui()->CallJavascriptFunction(
       "help.HelpPage.updateIsEnterpriseManaged",