Note: this list is generated by looking for the string for this theme hook, so it may include some references that are not actually using this theme hook.

backdrop_common_theme in core/includes/common.inc
Provides theme registration for themes across .inc files.
filter_update_1002 in core/modules/filter/filter.install
Import the image_library view.
node_update_1018 in core/modules/node/node.install
Update content admin view to show scheduled publication info.
node_update_1022 in core/modules/node/node.install
Update the admin content view with new/updated indicators and filter.
theme_node_recent_block in core/modules/node/node.theme.inc
Returns HTML for a list of recent content.
theme_test_init in core/modules/simpletest/tests/theme_test.module
Implements hook_init().
user_update_1025 in core/modules/user/user.install
Add a "changed" column to the user_admin View.
ViewsBlock::form in core/modules/views/includes/views.block.inc
Build the settings form for editing this block.
ViewsBlock::formSubmit in core/modules/views/includes/views.block.inc
Submit handler to save the form settings.
ViewsBlock::prepare in core/modules/views/includes/views.block.inc
Do any processing prior to getTitle() and getContent() being called.
ViewsBlock::setDefaultsFromView in core/modules/views/includes/views.block.inc
Given the loaded View object, populate the default settings for this block.
ViewsPluginDisplayBlockTestCase::testViewBlocks in core/modules/views/tests/plugins/views_plugin_display_block.test
Tests, whether and how the reset button can be renamed.
views_handler_field::options_form in core/modules/views/handlers/views_handler_field.inc
Default options form that provides the label widget that all fields should have.
views_handler_field::option_definition in core/modules/views/handlers/views_handler_field.inc
views_handler_field::render_text in core/modules/views/handlers/views_handler_field.inc
Perform an advanced text render for the item.
views_plugin_display_block::options_form in core/modules/views/plugins/views_plugin_display_block.inc
Provide the default form for setting options.
views_plugin_display_block::option_definition in core/modules/views/plugins/views_plugin_display_block.inc
Information about options for all kinds of purposes will be held here. @code 'option_name' => array(
views_plugin_display_block::use_more in core/modules/views/plugins/views_plugin_display_block.inc
Does the display have a more link enabled?