Move RemoveChars, ReplaceChars, TrimString, and TruncateUTF8ToByteSize to base namespace.

chrome/browser/tab_contents/render_view_context_menu.cc

 // Copyright 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.
 
 #include "chrome/browser/tab_contents/render_view_context_menu.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 354 matching lines @@
   }
 }
 
 void DevToolsInspectElementAt(RenderViewHost* rvh, int x, int y) {
   DevToolsWindow::InspectElement(rvh, x, y);
 }
 
 // Helper function to escape "&" as "&&".
 void EscapeAmpersands(string16* text) {
   const char16 ampersand[] = {'&', 0};
-  ReplaceChars(*text, ampersand, ASCIIToUTF16("&&"), text);
+  base::ReplaceChars(*text, ampersand, ASCIIToUTF16("&&"), text);
 }
 
 }  // namespace
 
 // static
 const size_t RenderViewContextMenu::kMaxSelectionTextLength = 50;
 
 // static
 bool RenderViewContextMenu::IsDevToolsURL(const GURL& url) {
   return url.SchemeIs(chrome::kChromeDevToolsScheme);
@@ skipping 622 matching lines @@
   }
 }
 
 void RenderViewContextMenu::AppendSearchProvider() {
   DCHECK(profile_);
 
   TrimWhitespace(params_.selection_text, TRIM_ALL, &params_.selection_text);
   if (params_.selection_text.empty())
     return;
 
-  ReplaceChars(params_.selection_text, AutocompleteMatch::kInvalidChars,
-               ASCIIToUTF16(" "), &params_.selection_text);
+  base::ReplaceChars(params_.selection_text, AutocompleteMatch::kInvalidChars,
+                     ASCIIToUTF16(" "), &params_.selection_text);
 
   AutocompleteMatch match;
   AutocompleteClassifierFactory::GetForProfile(profile_)->Classify(
       params_.selection_text, false, false, &match, NULL);
   selection_navigation_url_ = match.destination_url;
   if (!selection_navigation_url_.is_valid())
     return;
 
   string16 printable_selection_text = PrintableSelectionText();
   EscapeAmpersands(&printable_selection_text);
@@ skipping 1082 matching lines @@
   source_web_contents_->GetRenderViewHost()->
       ExecuteMediaPlayerActionAtLocation(location, action);
 }
 
 void RenderViewContextMenu::PluginActionAt(
     const gfx::Point& location,
     const WebPluginAction& action) {
   source_web_contents_->GetRenderViewHost()->
       ExecutePluginActionAtLocation(location, action);
 }