Use explicit WebString <-> string{16,} conversion methods in content/renderer/pepper

content/renderer/pepper/pepper_plugin_instance_impl.cc

 // Copyright (c) 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 "content/renderer/pepper/pepper_plugin_instance_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bit_cast.h"
@@ skipping 1438 matching lines @@
 void PepperPluginInstanceImpl::RequestSurroundingText(
     size_t desired_number_of_characters) {
   // Keep a reference on the stack. See NOTE above.
   scoped_refptr<PepperPluginInstanceImpl> ref(this);
   if (!LoadTextInputInterface())
     return;
   plugin_textinput_interface_->RequestSurroundingText(
       pp_instance(), desired_number_of_characters);
 }
 
-bool PepperPluginInstanceImpl::StartFind(const base::string16& search_text,
+bool PepperPluginInstanceImpl::StartFind(const std::string& search_text,
                                          bool case_sensitive,
                                          int identifier) {
   // Keep a reference on the stack. See NOTE above.
   scoped_refptr<PepperPluginInstanceImpl> ref(this);
   if (!LoadFindInterface())
     return false;
   find_identifier_ = identifier;
-  return PP_ToBool(
-      plugin_find_interface_->StartFind(pp_instance(),
-                                        base::UTF16ToUTF8(search_text).c_str(),
-                                        PP_FromBool(case_sensitive)));
+  return PP_ToBool(plugin_find_interface_->StartFind(
+      pp_instance(), search_text.c_str(), PP_FromBool(case_sensitive)));
 }
 
 void PepperPluginInstanceImpl::SelectFindResult(bool forward, int identifier) {
   // Keep a reference on the stack. See NOTE above.
   scoped_refptr<PepperPluginInstanceImpl> ref(this);
   if (!LoadFindInterface())
     return;
   find_identifier_ = identifier;
   plugin_find_interface_->SelectFindResult(pp_instance(), PP_FromBool(forward));
 }
@@ skipping 1975 matching lines @@
     const cc::TextureMailbox& mailbox) const {
   auto it =
       std::find_if(texture_ref_counts_.begin(), texture_ref_counts_.end(),
                    [&mailbox](const TextureMailboxRefCount& ref_count) {
                      return ref_count.first.mailbox() == mailbox.mailbox();
                    });
   return it != texture_ref_counts_.end();
 }
 
 }  // namespace content