Add crostini/sharedPaths as OS settings subpage

TBR=calamity@chromium.org

Bug: 1004692
Change-Id: I7272e4fdf55c109202517ce7b9a078033cdfe07e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1814582Reviewed-by: Joel Hockey <joelhockey@chromium.org>
Commit-Queue: Joel Hockey <joelhockey@chromium.org>
Auto-Submit: Joel Hockey <joelhockey@chromium.org>
Cr-Commit-Position: refs/heads/master@{#698604}

chrome/common/webui_url_constants.cc

@@ -390,6 +390,7 @@ const char kBluetoothSubPage[] = "bluetoothDevices";
 const char kChangePictureSubPage[] = "changePicture";
 // 'multidevice/features' is a child of the 'multidevice' route
 const char kConnectedDevicesSubPage[] = "multidevice/features";
+const char kCrostiniSharedPathsSubPage[] = "crostini/sharedPaths";
 const char kCrostiniSharedUsbDevicesSubPage[] = "crostini/sharedUsbDevices";
 const char kCrostiniExportImportSubPage[] = "crostini/exportImport";
 const char kDateTimeSubPage[] = "dateTime";
@@ -433,6 +434,7 @@ bool IsOSSettingsSubPage(const std::string& sub_page) {
       kBluetoothSubPage,
       kChangePictureSubPage,
       kConnectedDevicesSubPage,
+      kCrostiniSharedPathsSubPage,
       kCrostiniSharedUsbDevicesSubPage,
       kDateTimeSubPage,
       kDisplaySubPage,

chrome/common/webui_url_constants.h

@@ -345,6 +345,7 @@ extern const char kAssistantSubPage[];
 extern const char kBluetoothSubPage[];
 extern const char kChangePictureSubPage[];
 extern const char kConnectedDevicesSubPage[];
+extern const char kCrostiniSharedPathsSubPage[];
 extern const char kCrostiniSharedUsbDevicesSubPage[];
 extern const char kCrostiniExportImportSubPage[];
 extern const char kDateTimeSubPage[];