Make command-zero reset page scale in addition to zoom level

content/browser/renderer_host/render_view_host_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/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 855 matching lines @@
     IPC_MESSAGE_HANDLER(ViewHostMsg_RouteCloseEvent,
                         OnRouteCloseEvent)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RouteMessageEvent, OnRouteMessageEvent)
     IPC_MESSAGE_HANDLER(DragHostMsg_StartDragging, OnStartDragging)
     IPC_MESSAGE_HANDLER(DragHostMsg_UpdateDragCursor, OnUpdateDragCursor)
     IPC_MESSAGE_HANDLER(DragHostMsg_TargetDrop_ACK, OnTargetDropACK)
     IPC_MESSAGE_HANDLER(ViewHostMsg_TakeFocus, OnTakeFocus)
     IPC_MESSAGE_HANDLER(ViewHostMsg_FocusedNodeChanged, OnFocusedNodeChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ClosePage_ACK, OnClosePageACK)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidZoomURL, OnDidZoomURL)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_PageScaleFactorIsOneChanged,
+                        OnPageScaleFactorIsOneChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RunFileChooser, OnRunFileChooser)
     IPC_MESSAGE_HANDLER(ViewHostMsg_FocusedNodeTouched, OnFocusedNodeTouched)
     // Have the super handle all other messages.
     IPC_MESSAGE_UNHANDLED(
         handled = RenderWidgetHostImpl::OnMessageReceived(msg))
   IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
@@ skipping 455 matching lines @@
                                       const GURL& url) {
   HostZoomMapImpl* host_zoom_map =
       static_cast<HostZoomMapImpl*>(HostZoomMap::Get(GetSiteInstance()));
 
   host_zoom_map->SetZoomLevelForView(GetProcess()->GetID(),
                                      GetRoutingID(),
                                      zoom_level,
                                      net::GetHostOrSpecFromURL(url));
 }
 
+void RenderViewHostImpl::OnPageScaleFactorIsOneChanged(bool is_one) {
+  if (!GetSiteInstance())
+    return;
+  HostZoomMapImpl* host_zoom_map =
+      static_cast<HostZoomMapImpl*>(HostZoomMap::Get(GetSiteInstance()));
+  if (!host_zoom_map)
+    return;
+  if (!GetProcess())
+    return;
+  host_zoom_map->SetPageScaleFactorIsOneForView(GetProcess()->GetID(),
+                                                GetRoutingID(), is_one);
+}
+
 void RenderViewHostImpl::OnRunFileChooser(const FileChooserParams& params) {
   // Do not allow messages with absolute paths in them as this can permit a
   // renderer to coerce the browser to perform I/O on a renderer controlled
   // path.
   if (params.default_file_name != params.default_file_name.BaseName()) {
     GetProcess()->ReceivedBadMessage();
     return;
   }
 
   delegate_->RunFileChooser(this, params);
@@ skipping 40 matching lines @@
   FrameTree* frame_tree = delegate_->GetFrameTree();
 
   frame_tree->ResetForMainFrameSwap();
 }
 
 void RenderViewHostImpl::SelectWordAroundCaret() {
   Send(new ViewMsg_SelectWordAroundCaret(GetRoutingID()));
 }
 
 }  // namespace content