Browsing Icelandic translation

in: results/cr/chrome/app/generated_resources.grd, as IDS_FLAGS_GPU_RASTERIZATION_MSAA_SAMPLE_COUNT_FOUR
in: results/cr/chrome/app/generated_resources.grd, as IDS_FLAGS_NUM_RASTER_THREADS_FOUR

note: 'Label for the button on an error page to show a saved entry from the cache'
note: 'Mobile: Explanation for the BUTTON_SHOW_SAVED button'
in: results/cr/chrome/app/generated_resources.grd, as IDS_ERRORPAGES_BUTTON_SHOW_SAVED_COPY
in: results/cr/chrome/app/generated_resources.grd, as IDS_ERRORPAGES_BUTTON_SHOW_SAVED_COPY_HELP

note: 'The text of the CPU usage column'
in: results/cr/chrome/app/generated_resources.grd, as IDS_TASK_MANAGER_CPU_COLUMN
in: results/cr/chrome/app/generated_resources.grd, as IDS_TASK_MANAGER_CPU_COLUMN

note: 'Label for the microphone tab on Content Settings dialog'
note: 'The label used for the microphone permission controls in the Website Settings popup.'
in: results/cr/chrome/app/generated_resources.grd, as IDS_WEBSITE_SETTINGS_TYPE_MIC
in: results/cr/chrome/app/generated_resources.grd, as IDS_MEDIA_STREAM_MIC_TAB_LABEL

note: 'Checkbox text for opening the bookmark app as a window.'
note: 'Text for the button that opens the app in an app window. (In sentence case.)'
in: results/cr/chrome/app/generated_resources.grd, as IDS_BOOKMARK_APP_BUBBLE_OPEN_AS_WINDOW
in: results/cr/chrome/app/generated_resources.grd, as IDS_APP_CONTEXT_MENU_OPEN_WINDOW

note: 'Name of the guest profile.'
note: 'The name given to the guest       browsing profile. Displayed in the avatar menu bubble and button UI.'
in: results/cr/chrome/app/generated_resources.grd, as IDS_PROFILES_GUEST_PROFILE_NAME
in: results/cr/chrome/app/generated_resources.grd, as IDS_GUEST_PROFILE_NAME

UNUSED: (is_macosx or is_ios) OR (is_posix and not is_macosx and not is_ios) == False
note: 'The Linux menu item reopen recently closed tabs in the file menu.'
note: 'The Mac menu item reopen recently closed tabs in the file menu.'
in: results/cr/chrome/app/generated_resources.grd, as IDS_REOPEN_CLOSED_TABS_MAC
in: results/cr/chrome/app/generated_resources.grd, as IDS_REOPEN_CLOSED_TABS_LINUX

UNUSED: (is_macosx) OR (use_titlecase) == False
note: 'Button in the avatar menu bubble view for launching the user manager.'
note: 'Title of the new avatar bubble menu for accessibility'
in: results/cr/chrome/app/generated_resources.grd, as IDS_PROFILES_NEW_AVATAR_MENU_ACCESSIBLE_NAME
in: results/cr/chrome/app/generated_resources.grd, as IDS_PROFILES_SWITCH_USERS_BUTTON

UNUSED: (is_macosx or is_ios) OR (use_titlecase) == False
note: "In Title Case: The label of the 'Close Tab' Tab context menu item."
note: 'The Mac menu item to close a browser tab in the file menu.'
in: results/cr/chrome/app/generated_resources.grd, as IDS_TAB_CXMENU_CLOSETAB
in: results/cr/chrome/app/generated_resources.grd, as IDS_CLOSE_TAB_MAC

note: 'Text on login button for local discovery page'
note: 'The linkified portion of the sync sign in promo on the NTP. Clicking this text allows the user to sign in to sync.'
in: results/cr/chrome/app/generated_resources.grd, as IDS_SYNC_PROMO_NOT_SIGNED_IN_STATUS_LINK
in: results/cr/chrome/app/generated_resources.grd, as IDS_LOCAL_DISCOVERY_CLOUD_DEVICES_LOGIN