[android_webview] Use auto-sizing for webviews in wrap content mode.

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 <limits>
 #include <string>
 
 #include "android_webview/common/aw_hit_test_data.h"
 #include "android_webview/common/render_view_messages.h"
 #include "base/bind.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/renderer/android_content_detection_prefixes.h"
 #include "content/public/renderer/document_state.h"
@@ skipping 140 matching lines @@
 
 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_HANDLER(AwViewMsg_SetInitialPageScale, OnSetInitialPageScale)
+    IPC_MESSAGE_HANDLER(AwViewMsg_SetAutoResizeMode, OnSetAutoResizeMode)
     IPC_MESSAGE_HANDLER(AwViewMsg_SetBackgroundColor, OnSetBackgroundColor)
     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();
@@ skipping 120 matching lines @@
   render_view()->GetWebView()->resetScrollAndScaleState();
 }
 
 void AwRenderViewExt::OnSetInitialPageScale(double page_scale_factor) {
   if (!render_view() || !render_view()->GetWebView())
     return;
   render_view()->GetWebView()->setInitialPageScaleOverride(
       page_scale_factor);
 }
 
+void AwRenderViewExt::OnSetAutoResizeMode(bool enable, int width) {
+  if (!render_view() || !render_view()->GetWebView())
+    return;
+  render_view()->GetWebView()->setForceFixedLayoutSizeToEqualSize(enable);
+  if (enable) {
+    render_view()->GetWebView()->enableAutoResizeMode(
+        gfx::Size(width, 0), gfx::Size(width, std::numeric_limits<int>::max()));
+  } else {
+    render_view()->GetWebView()->disableAutoResizeMode();
+  }
+}
+
 void AwRenderViewExt::OnSetBackgroundColor(SkColor c) {
   if (!render_view() || !render_view()->GetWebView())
     return;
   render_view()->GetWebView()->setBaseBackgroundColor(c);
 }
 
 }  // namespace android_webview