Added pinch viewport offset to page state.

content/public/common/page_state.cc

 // Copyright (c) 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 "content/public/common/page_state.h"
 
 #include "base/files/file_path.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/common/page_state_serialization.h"
 
@@ skipping 24 matching lines @@
   return PageState::CreateFromEncodedData(encoded_data);
 }
 
 void RecursivelyRemovePasswordData(ExplodedFrameState* state) {
   if (state->http_body.contains_passwords)
     state->http_body = ExplodedHttpBody();
 }
 
 void RecursivelyRemoveScrollOffset(ExplodedFrameState* state) {
   state->scroll_offset = gfx::Point();
+  state->pinch_viewport_scroll_offset = gfx::PointF();
 }
 
 void RecursivelyRemoveReferrer(ExplodedFrameState* state) {
   state->referrer = base::NullableString16();
   state->referrer_policy = blink::WebReferrerPolicyDefault;
   for (std::vector<ExplodedFrameState>::iterator it = state->children.begin();
        it != state->children.end();
        ++it) {
     RecursivelyRemoveReferrer(&*it);
   }
@@ skipping 107 matching lines @@
 }
 
 PageState::PageState(const std::string& data)
     : data_(data) {
   // TODO(darin): Enable this DCHECK once tests have been fixed up to not pass
   // bogus encoded data to CreateFromEncodedData.
   //DCHECK(IsValid());
 }
 
 }  // namespace content