Revert "vk: Fix virtual keyboard in guest mode."

This reverts commit 75c556a2.

Reason for revert: Broke the build. See https://ci.chromium.org/p/chrome/builders/ci/linux-builder-perf/112471

Original change's description:
> vk: Fix virtual keyboard in guest mode.
> 
> When crrev/1787601 landed, it removed some code that actually had a
> side effect that caused the virtual keyboard to work correctly in
> guest mode. Without the code, the virtual keyboard doesn't work anymore
> so we are adding this code back temporarily as it is a high priority
> issue.
> 
> We need to investigate how things are meant to work (and how it managed
> to work prior to the filesystems code).
> 
> TBR=benwells,rhalavati,mek
> 
> Bug: 1005083
> Change-Id: I0b393aa518299f5630582deb64f88d82e02ec0e5
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1809033
> Reviewed-by: Darren Shen <shend@chromium.org>
> Commit-Queue: Darren Shen <shend@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#697917}

TBR=benwells@chromium.org,mek@chromium.org,shend@chromium.org,rhalavati@chromium.org

Change-Id: Ibce04c0db78b166fb7efd1a1149b7b272f172785
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 1005083
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1810152Reviewed-by: Fergus Dall <sidereal@google.com>
Commit-Queue: Fergus Dall <sidereal@google.com>
Cr-Commit-Position: refs/heads/master@{#697921}

chrome/browser/extensions/component_loader.cc

@@ -576,13 +576,6 @@ void ComponentLoader::AddDefaultComponentExtensionsWithBackgroundPages(
 
   Add(IDR_CRYPTOTOKEN_MANIFEST,
       base::FilePath(FILE_PATH_LITERAL("cryptotoken")));
-
-#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
-  // TODO(https://crbug.com/1005083): Force the off the record profile to be
-  // created to allow the virtual keyboard to work in guest mode.
-  if (!IsNormalSession())
-    ExtensionsBrowserClient::Get()->GetOffTheRecordContext(profile_);
-#endif  // BUILDFLAG(GOOGLE_CHROME_BRANDING)
 }
 
 void ComponentLoader::