Continue to clean c_str() calls.

components/omnibox/browser/omnibox_edit_model.cc

 // Copyright 2012 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 "components/omnibox/browser/omnibox_edit_model.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 
@@ skipping 791 matching lines @@
   // back out of keyword mode.  For example, if a user has a keyword named "x",
   // an inline-autocompletable history site "xyz.com", and a lower-ranked
   // inline-autocompletable search "x y", then typing "x" will inline-
   // autocomplete to "xyz.com", hitting space will toggle into keyword mode, but
   // then hitting backspace could wind up with the default match as the "x y"
   // search, which feels bizarre.
   if (was_toggled_into_keyword_mode && has_temporary_text_) {
     // State 4 above.
     is_keyword_hint_ = true;
     const base::string16 window_text = keyword_ + view_->GetText();
-    view_->SetWindowTextAndCaretPos(window_text.c_str(), keyword_.length(),
-        false, true);
+    view_->SetWindowTextAndCaretPos(window_text, keyword_.length(), false,
+                                    true);
   } else {
     // States 1-3 above.
     view_->OnBeforePossibleChange();
     // Add a space after the keyword to allow the user to continue typing
     // without re-enabling keyword mode.  The common case is state 3, where
     // the user entered keyword mode unintentionally, so backspacing
     // immediately out of keyword mode should keep the space.  In states 1 and
     // 2, having the space is "safer" behavior.  For instance, if the user types
     // "google.com f" or "google.com<tab>f" in the omnibox, moves the cursor to
     // the left, and presses backspace to leave keyword mode (state 1), it's
@@ skipping 563 matching lines @@
   // Update state and notify view if the omnibox has focus and the caret
   // visibility changed.
   const bool was_caret_visible = is_caret_visible();
   focus_state_ = state;
   if (focus_state_ != OMNIBOX_FOCUS_NONE &&
       is_caret_visible() != was_caret_visible)
     view_->ApplyCaretVisibility();
 
   client_->OnFocusChanged(focus_state_, reason);
 }