Don't compile code for desktop zoom or GuestViews on mobile platforms.

content/browser/browsing_data/browsing_data_remover_impl_unittest.cc

Index: content/browser/browsing_data/browsing_data_remover_impl_unittest.cc
diff --git a/content/browser/browsing_data/browsing_data_remover_impl_unittest.cc b/content/browser/browsing_data/browsing_data_remover_impl_unittest.cc
index e0330ab9b38d70e1b315f82537c1c0ef00b36f1c..960c1eb7f4e174f32f6abadf4868139519dedd58 100644
--- a/content/browser/browsing_data/browsing_data_remover_impl_unittest.cc
+++ b/content/browser/browsing_data/browsing_data_remover_impl_unittest.cc
@@ -152,9 +152,11 @@ class TestStoragePartition : public StoragePartition {
   PlatformNotificationContext* GetPlatformNotificationContext() override {
     return nullptr;
   }
+#if !defined(OS_ANDROID)
   HostZoomMap* GetHostZoomMap() override { return nullptr; }
   HostZoomLevelContext* GetHostZoomLevelContext() override { return nullptr; }
   ZoomLevelDelegate* GetZoomLevelDelegate() override { return nullptr; }
+#endif  // !defined(OS_ANDROID)
 
   void ClearDataForOrigin(uint32_t remove_mask,
                           uint32_t quota_storage_remove_mask,