Revert 216860 "Add option to import from bookmarks html file to ..."

Revert 216860 "Add option to import from bookmarks html file to ..."

> Add option to import from bookmarks html file to "Import Bookmarks..." dialog.
> 
> To test this new feature one can do the following:
> 
> On chrome, open the "Import Bookmarks and Settings..." dialog, you can do this
> by three ways, one is to navigate to chrome://settings/importData, another is
> to open chrome://settings (either through wrench menu or navigating to it through
> omnibox) and then under the Users category click on "Import Bookmarks..." button
> to open the dialog. The third way to open this dialog
> is Wrench->Bookmarks->Import Bookmarks and Settings...".
> 
> Once the dialog is opened, open the "From" combobox and select "Bookmarks HTML File" item.
> That should uncheck and disable all the checkboxes but "Favorites/Bookmarks" and present a
> "Choose file" button in the place where "Import" button was. Click on that new button and select
> your bookmarks html file, once you do that the import process should start, and if you file is
> ok, chrome should import and present you with a success message.
> 
> BUG=80685
> R=dbeam@chromium.org, isherman@chromium.org
> 
> Review URL: https://codereview.chromium.org/22332003

It broke some Linux Tests of first run:

FirstRunMasterPrefsImportBookmarksFile.ImportBookmarksFile: 
[4452:4452:0810/092454:2260755831:ERROR:audio_manager_pulse.cc(234)] Failed to connect to the context.  Error: Connection refused
../../chrome/browser/first_run/first_run_browsertest.cc:186: Failure
Value of: auto_import_state
Actual: 5
Expected: MaskExpectedImportState(first_run::AUTO_IMPORT_CALLED | first_run::AUTO_IMPORT_PROFILE_IMPORTED | first_run::AUTO_IMPORT_BOOKMARKS_FILE_IMPORTED)
Which is: 7

FirstRunMasterPrefsImportDefault.ImportDefault: 
[4405:4405:0810/092452:2258318309:ERROR:audio_manager_pulse.cc(234)] Failed to connect to the context.  Error: Connection refused
../../chrome/browser/first_run/first_run_browsertest.cc:166: Failure
Value of: auto_import_state
Actual: 1
Expected: MaskExpectedImportState(first_run::AUTO_IMPORT_CALLED | first_run::AUTO_IMPORT_PROFILE_IMPORTED)
Which is: 3

TBR=tfarina@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=216878

[tfarina, 2013-08-10 17:06:11]

Committed patchset #1 manually as r216878.

[tfarina, 2013-08-10 17:07:04]

Dammit! It broke some first run tests, I couldn't reproduce locally though!