[Android WebView] Implement WebSettings.{get|set}LoadWithOverviewMode

android_webview/renderer/aw_render_view_ext.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 "android_webview/renderer/aw_render_view_ext.h"
 
 #include <string>
 
 #include "android_webview/common/aw_hit_test_data.h"
 #include "android_webview/common/render_view_messages.h"
@@ skipping 127 matching lines @@
 void AwRenderViewExt::RenderViewCreated(content::RenderView* render_view) {
   new AwRenderViewExt(render_view);  // |render_view| takes ownership.
 }
 
 bool AwRenderViewExt::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(AwRenderViewExt, message)
     IPC_MESSAGE_HANDLER(AwViewMsg_DocumentHasImages, OnDocumentHasImagesRequest)
     IPC_MESSAGE_HANDLER(AwViewMsg_DoHitTest, OnDoHitTest)
     IPC_MESSAGE_HANDLER(AwViewMsg_SetTextZoomLevel, OnSetTextZoomLevel)
+    IPC_MESSAGE_HANDLER(AwViewMsg_ResetScrollAndScaleState,
+                        OnResetScrollAndScaleState)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void AwRenderViewExt::OnDocumentHasImagesRequest(int id) {
   bool hasImages = false;
   if (render_view()) {
     WebKit::WebView* webview = render_view()->GetWebView();
     if (webview) {
@@ skipping 82 matching lines @@
 }
 
 void AwRenderViewExt::OnSetTextZoomLevel(double zoom_level) {
   if (!render_view() || !render_view()->GetWebView())
     return;
   // Hide selection and autofill popups.
   render_view()->GetWebView()->hidePopups();
   render_view()->GetWebView()->setZoomLevel(true, zoom_level);
 }
 
+void AwRenderViewExt::OnResetScrollAndScaleState() {
+  if (!render_view() || !render_view()->GetWebView())
+    return;
+  render_view()->GetWebView()->resetScrollAndScaleState();
+}
+
 }  // namespace android_webview