views textfield: Handle ctrl and shift modifiers for Backspace and Delete

views/controls/textfield/native_textfield_views_unittest.cc

 // 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.
 
 #include "app/keyboard_codes.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "views/controls/textfield/native_textfield_views.h"
 #include "views/controls/textfield/textfield.h"
@@ skipping 232 matching lines @@
   // Delete using delete key and check resulting string.
   for (int i = 0; i < 5; i++) {
     SendKeyEventToTextfieldViews(app::VKEY_DELETE);
   }
   EXPECT_STR_EQ("this is ", textfield_->text());
 
   // Select all and replace with "k".
   textfield_->SelectAll();
   SendKeyEventToTextfieldViews(app::VKEY_K);
   EXPECT_STR_EQ("k", textfield_->text());
+
+  // Delete the previous word from cursor.
+  textfield_->SetText(ASCIIToUTF16("one two three four"));
+  SendKeyEventToTextfieldViews(app::VKEY_END);
+  SendKeyEventToTextfieldViews(app::VKEY_BACK, false, true, false);
+  EXPECT_STR_EQ("one two three ", textfield_->text());
+
+  // Delete upto the beginning of the buffer from cursor.
+  SendKeyEventToTextfieldViews(app::VKEY_LEFT, false, true, false);
+  SendKeyEventToTextfieldViews(app::VKEY_BACK, true, true, false);
+  EXPECT_STR_EQ("three ", textfield_->text());
 }
 
 TEST_F(NativeTextfieldViewsTest, PasswordTest) {
   InitTextfield(Textfield::STYLE_PASSWORD);
   textfield_->SetText(ASCIIToUTF16("my password"));
   // Just to make sure the text() and callback returns
   // the actual text instead of "*".
   EXPECT_STR_EQ("my password", textfield_->text());
   EXPECT_STR_EQ("my password", last_contents_);
 }
@@ skipping 79 matching lines @@
   // Cycle back to the last textfield.
   widget_->GetFocusManager()->AdvanceFocus(true);
   EXPECT_EQ(3, GetFocusedView()->GetID());
 
   // Request focus should still work.
   textfield_->RequestFocus();
   EXPECT_EQ(1, GetFocusedView()->GetID());
 }
 
 }  // namespace views