Port autocomplete_edit_view_browsertest.cc to Mac.

chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_unittest.mm

 // Copyright (c) 2010 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 <Cocoa/Cocoa.h>
 
 #import "base/mac/cocoa_protocols.h"
 #include "base/scoped_nsobject.h"
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.h"
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_cell.h"
@@ skipping 313 matching lines @@
 
   EXPECT_CALL(field_observer_, OnSetFocus(false));
   // Becoming first responder doesn't begin editing.
   [test_window() makePretendKeyWindowAndSetFirstResponder:field_];
   const NSRect baseEditorFrame = EditorFrame();
   NSTextView* editor = static_cast<NSTextView*>([field_ currentEditor]);
   EXPECT_TRUE(nil != editor);
 
   // This should begin editing and indicate a change.
   EXPECT_CALL(field_observer_, OnDidBeginEditing());
+  EXPECT_CALL(field_observer_, OnBeforeChange());
   EXPECT_CALL(field_observer_, OnDidChange());
   [editor shouldChangeTextInRange:NSMakeRange(0, 0) replacementString:@""];
   [editor didChangeText];
 
   // No messages to |field_observer_| when the frame actually changes.
   mock_left_decoration_.SetVisible(true);
   [field_ resetFieldEditorFrameIfNeeded];
   EXPECT_FALSE(NSEqualRects(baseEditorFrame, EditorFrame()));
 }
 
@@ skipping 398 matching lines @@
       .WillRepeatedly(ReturnArg<0>());
 
   EXPECT_CALL(field_observer_, OnSetFocus(false));
   // Becoming first responder doesn't begin editing.
   [test_window() makePretendKeyWindowAndSetFirstResponder:field_];
   NSTextView* editor = static_cast<NSTextView*>([field_ currentEditor]);
   EXPECT_TRUE(nil != editor);
 
   // This should begin editing and indicate a change.
   EXPECT_CALL(field_observer_, OnDidBeginEditing());
+  EXPECT_CALL(field_observer_, OnBeforeChange());
   EXPECT_CALL(field_observer_, OnDidChange());
   [editor shouldChangeTextInRange:NSMakeRange(0, 0) replacementString:@""];
   [editor didChangeText];
 
   // Further changes don't send the begin message.
+  EXPECT_CALL(field_observer_, OnBeforeChange());
   EXPECT_CALL(field_observer_, OnDidChange());
   [editor shouldChangeTextInRange:NSMakeRange(0, 0) replacementString:@""];
   [editor didChangeText];
 
   // -doCommandBySelector: should forward to observer via |field_|.
   // TODO(shess): Test with a fake arrow-key event?
   const SEL cmd = @selector(moveDown:);
   EXPECT_CALL(field_observer_, OnDoCommandBySelector(cmd))
       .WillOnce(Return(true));
   [editor doCommandBySelector:cmd];
@@ skipping 16 matching lines @@
   scoped_nsobject<AutocompleteTextField> pin([field_ retain]);
   [field_ removeFromSuperview];
   [test_window() resignKeyWindow];
 
   [[test_window() contentView] addSubview:field_];
   EXPECT_CALL(field_observer_, ClosePopup());
   [test_window() resignKeyWindow];
 }
 
 }  // namespace