Preventing our default handlers for ChromeOS to show up or confuse the user

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index 7e89356c589e0ef9c207b4caadf9f95d8ad1e065..d2aa5c5e8a410f437c9080d617026860605e1d67 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -83,6 +83,7 @@
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/user_metrics.h"
 #include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if defined(OS_WIN)
@@ -442,9 +443,28 @@ void ProfileImpl::InitRegisteredProtocolHandlers() {
     return;
   protocol_handler_registry_ = new ProtocolHandlerRegistry(this,
       new ProtocolHandlerRegistry::Delegate());
+
+  // Install predefined protocol handlers.
+  InstallFixedProtocolHandlers();
+
   protocol_handler_registry_->Load();
 }
 
+void ProfileImpl::InstallFixedProtocolHandlers() {
+#if defined(OS_CHROMEOS)
+  protocol_handler_registry_->AddFixedHandler(
+      ProtocolHandler::CreateProtocolHandler(
+          "mailto",
+          GURL(l10n_util::GetStringUTF8(IDS_GOOGLE_MAILTO_HANDLER_URL)),
+          l10n_util::GetStringUTF16(IDS_GOOGLE_MAILTO_HANDLER_NAME)));
+  protocol_handler_registry_->AddFixedHandler(
+      ProtocolHandler::CreateProtocolHandler(
+          "webcal",
+          GURL(l10n_util::GetStringUTF8(IDS_GOOGLE_WEBCAL_HANDLER_URL)),
+          l10n_util::GetStringUTF16(IDS_GOOGLE_WEBCAL_HANDLER_NAME)));
+#endif
+}
+
 FilePath ProfileImpl::last_selected_directory() {
   return GetPrefs()->GetFilePath(prefs::kSelectFileLastDirectory);
 }