MacViews: Implement NSResponder deletion action messages.

ui/views/cocoa/bridged_content_view.mm

 // Copyright 2014 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 "ui/views/cocoa/bridged_content_view.h"
 
 #include "base/logging.h"
 #import "base/mac/mac_util.h"
 #import "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 549 matching lines @@
   hostedView_->GetWidget()->OnMouseEvent(&event);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NSResponder Action Messages. Keep sorted according NSResponder.h (from the
 // 10.9 SDK). The list should eventually be complete. Anything not defined will
 // beep when interpretKeyEvents: would otherwise call it.
 // TODO(tapted): Make this list complete, except for insert* methods which are
 // dispatched as regular key events in doCommandBySelector:.
 
+// views::Textfields are single-line only, map Paragraph and Document commands
+// to Line.
+
 // The insertText action message forwards to the TextInputClient unless a menu
 // is active. Note that NSResponder's interpretKeyEvents: implementation doesn't
 // direct insertText: through doCommandBySelector:, so this is still needed to
 // handle the case when inputContext: is nil. When inputContext: returns non-nil
 // text goes directly to insertText:replacementRange:.
 - (void)insertText:(id)text {
   [self insertText:text replacementRange:NSMakeRange(NSNotFound, 0)];
 }
 
 // Selection movement and scrolling.
@@ skipping 119 matching lines @@
           eventFlags:ui::EF_CONTROL_DOWN];
 }
 
 - (void)deleteWordBackward:(id)sender {
   [self handleAction:IDS_DELETE_WORD_BACKWARD
              keyCode:ui::VKEY_BACK
              domCode:ui::DomCode::BACKSPACE
           eventFlags:ui::EF_CONTROL_DOWN];
 }
 
+- (void)deleteToBeginningOfLine:(id)sender {
+  [self handleAction:IDS_DELETE_TO_BEGINNING_OF_LINE
+             keyCode:ui::VKEY_BACK
+             domCode:ui::DomCode::BACKSPACE
+          eventFlags:ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN];
+}
+
+- (void)deleteToEndOfLine:(id)sender {
+  [self handleAction:IDS_DELETE_TO_END_OF_LINE
+             keyCode:ui::VKEY_DELETE
+             domCode:ui::DomCode::DEL
+          eventFlags:ui::EF_CONTROL_DOWN | ui::EF_SHIFT_DOWN];
+}
+
+- (void)deleteToBeginningOfParagraph:(id)sender {
+  [self deleteToBeginningOfLine:sender];
+}
+
+- (void)deleteToEndOfParagraph:(id)sender {
+  [self deleteToEndOfLine:sender];
+}
+
 // Cancellation.
 
 - (void)cancelOperation:(id)sender {
   [self handleAction:0
              keyCode:ui::VKEY_ESCAPE
              domCode:ui::DomCode::ESCAPE
           eventFlags:0];
 }
 
 // Support for Services in context menus.
@@ skipping 208 matching lines @@
   }
 
   return [super accessibilityAttributeValue:attribute];
 }
 
 - (id)accessibilityHitTest:(NSPoint)point {
   return [hostedView_->GetNativeViewAccessible() accessibilityHitTest:point];
 }
 
 @end