Ask libaddressinput for address components to use in requestAutocomplete().

chrome/browser/ui/cocoa/autofill/autofill_section_container.mm

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/autofill/autofill_section_container.h"
 
 #include <algorithm>
 
 #include "base/mac/foundation_util.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 603 matching lines @@
          [popup addItemWithTitle:
              base::SysUTF16ToNSString(inputModel->GetItemAt(i))];
       }
       [popup setDefaultValue:base::SysUTF16ToNSString(
           inputModel->GetItemAt(inputModel->GetDefaultIndex()))];
       control.reset(popup.release());
     } else {
       base::scoped_nsobject<AutofillTextField> field(
           [[AutofillTextField alloc] init]);
       [[field cell] setPlaceholderString:
-          l10n_util::GetNSStringWithFixup(input.placeholder_text_rid)];
+          base::SysUTF16ToNSString(input.placeholder_text)];

[groby-ooo-7-16, 2014/01/04 01:15:33]

Unless you are 100% certain there will never be ellipses or accelerators in the
text, always use FixUpWindowsStyleLabel. I _think_ we should be fine here,
though.

[Dan Beam, 2014/01/04 01:39:23]

meh, guess it doesn't hurt. Done.

       NSString* tooltipText =
           base::SysUTF16ToNSString(delegate_->TooltipForField(input.type));
       if ([tooltipText length] > 0) {
         DCHECK(!tooltipController_);
         DCHECK(!tooltipField_);
         tooltipController_.reset(
             [[AutofillTooltipController alloc]
                  initWithArrowLocation:info_bubble::kTopRight]);
         tooltipField_ = field.get();
         NSImage* icon =
@@ skipping 10 matching lines @@
     [control sizeToFit];
     [control setTag:input.type];
     [control setInputDelegate:self];
     // Hide away fields that cannot be edited.
     if (kColumnSetId == -1) {
       [control setFrame:NSZeroRect];
       [control setHidden:YES];
     }
     layout->AddView(control);
 
-    if (input.length == autofill::DetailInput::LONG)
+    if (input.length == autofill::DetailInput::LONG ||
+        input.length == autofill::DetailInput::SHORT_EOL) {
       ++column_set_id;
+    }
   }
 
   [self updateFieldIcons];
   return view.autorelease();
 }
 
 - (void)updateFieldIcons {
   autofill::FieldValueMap fieldValues;
   for (NSControl<AutofillInputField>* input in [inputs_ subviews]) {
     DCHECK([input isKindOfClass:[NSControl class]]);
@@ skipping 48 matching lines @@
 - (void)activateFieldForInput:(const autofill::DetailInput&)input {
   if ([self detailInputForType:input.type] != &input)
     return;
 
   NSControl<AutofillInputField>* field = [inputs_ viewWithTag:input.type];
   [[field window] makeFirstResponder:field];
   [self textfieldEditedOrActivated:field edited:NO];
 }
 
 @end