Use contents size for android_webview layout.

android_webview/browser/renderer_host/aw_render_view_host_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/browser/renderer_host/aw_render_view_host_ext.h"
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/scoped_allow_wait_for_legacy_web_view_api.h"
 #include "android_webview/common/aw_switches.h"
 #include "android_webview/common/render_view_messages.h"
@@ skipping 82 matching lines @@
   if (web_contents()->GetRenderViewHost()) {
     Send(new AwViewMsg_SetBackgroundColor(web_contents()->GetRoutingID(),
                                           background_color_));
   }
 }
 
 void AwRenderViewHostExt::SetJsOnlineProperty(bool network_up) {
   Send(new AwViewMsg_SetJsOnlineProperty(network_up));
 }
 
+void AwRenderViewHostExt::EnableContentsSizeNotifications() {
+  Send(new AwViewMsg_EnableContentsSizeNotifications(
+      web_contents()->GetRoutingID()));
+}
+
 void AwRenderViewHostExt::RenderViewCreated(
     content::RenderViewHost* render_view_host) {
   Send(new AwViewMsg_SetBackgroundColor(web_contents()->GetRoutingID(),
                                         background_color_));
 }
 
 void AwRenderViewHostExt::RenderProcessGone(base::TerminationStatus status) {
   DCHECK(CalledOnValidThread());
   for (std::map<int, DocumentHasImagesResult>::iterator pending_req =
            pending_document_has_images_requests_.begin();
@@ skipping 14 matching lines @@
 
 bool AwRenderViewHostExt::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(AwRenderViewHostExt, message)
     IPC_MESSAGE_HANDLER(AwViewHostMsg_DocumentHasImagesResponse,
                         OnDocumentHasImagesResponse)
     IPC_MESSAGE_HANDLER(AwViewHostMsg_UpdateHitTestData,
                         OnUpdateHitTestData)
     IPC_MESSAGE_HANDLER(AwViewHostMsg_PageScaleFactorChanged,
                         OnPageScaleFactorChanged)
+    IPC_MESSAGE_HANDLER(AwViewHostMsg_OnContentsSizeChanged,
+                        OnContentsSizeChanged)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   return handled ? true : WebContentsObserver::OnMessageReceived(message);
 }
 
 void AwRenderViewHostExt::OnDocumentHasImagesResponse(int msg_id,
                                                       bool has_images) {
   DCHECK(CalledOnValidThread());
   std::map<int, DocumentHasImagesResult>::iterator pending_req =
@@ skipping 10 matching lines @@
     const AwHitTestData& hit_test_data) {
   DCHECK(CalledOnValidThread());
   last_hit_test_data_ = hit_test_data;
   has_new_hit_test_data_ = true;
 }
 
 void AwRenderViewHostExt::OnPageScaleFactorChanged(float page_scale_factor) {
   client_->OnWebLayoutPageScaleFactorChanged(page_scale_factor);
 }
 
+void AwRenderViewHostExt::OnContentsSizeChanged(
+    const gfx::Size& contents_size) {
+  client_->OnWebLayoutContentsSizeChanged(contents_size);
+}
+
 }  // namespace android_webview