Fix for PDF find-in-page bug.

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 1442 matching lines @@
   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)));
 }
 
-void PepperPluginInstanceImpl::SelectFindResult(bool forward) {
+void PepperPluginInstanceImpl::SelectFindResult(bool forward, int identifier) {
   // Keep a reference on the stack. See NOTE above.
   scoped_refptr<PepperPluginInstanceImpl> ref(this);
-  if (LoadFindInterface())
-    plugin_find_interface_->SelectFindResult(pp_instance(),
-                                             PP_FromBool(forward));
+  if (!LoadFindInterface())
+    return;
+  find_identifier_ = identifier;
+  plugin_find_interface_->SelectFindResult(pp_instance(), PP_FromBool(forward));
 }
 
 void PepperPluginInstanceImpl::StopFind() {
   // Keep a reference on the stack. See NOTE above.
   scoped_refptr<PepperPluginInstanceImpl> ref(this);
   if (!LoadFindInterface())
     return;
   find_identifier_ = -1;
   plugin_find_interface_->StopFind(pp_instance());
 }
@@ skipping 1926 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