Revert 229896 "Cache force-installed apps/extensions in device-l..."
Caused a build failure:
http://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Builder/builds/56839/steps/compile/logs/stdio
../../chrome/browser/chromeos/extensions/device_local_account_external_policy_loader.cc: In member function 'void chromeos::DeviceLocalAccountExternalPolicyLoader::UpdateExtensionListFromStore()':
../../chrome/browser/chromeos/extensions/device_local_account_external_policy_loader.cc:98:3:error: 'ExtensionInstallForcelistPolicyHandler' is not a member of 'policy'
../../chrome/browser/chromeos/extensions/device_local_account_external_policy_loader.cc:99:7:error: expected ';' before 'policy_handler'
../../chrome/browser/chromeos/extensions/device_local_account_external_policy_loader.cc:100:7:error: 'policy_handler' was not declared in this scope

> Cache force-installed apps/extensions in device-local accounts
> 
> This CL adds the DeviceLocalAccountExternalPolicyLoader, a replacement for
> the ExternalPolicyLoader that caches force-installed apps/extensions,
> allowing them to be installed offline. The caches for individual accounts
> are managed by the DeviceLocalAccountPolicyService which makes sure to
> remove obsolete cache directories.
> 
> BUG=287802
> TEST=Full coverage with new browser and unit tests
> 
> Review URL: https://codereview.chromium.org/27548004

TBR=bartfab@chromium.org

Review URL: https://codereview.chromium.org/32513006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229897 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229897