Make PageScaleFactor work for oopif subframes.

content/renderer/render_frame_impl.cc

 // Copyright 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/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 82 matching lines @@
 #include "content/renderer/accessibility/render_accessibility_impl.h"
 #include "content/renderer/browser_plugin/browser_plugin.h"
 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
 #include "content/renderer/child_frame_compositing_helper.h"
 #include "content/renderer/context_menu_params_builder.h"
 #include "content/renderer/devtools/devtools_agent.h"
 #include "content/renderer/dom_automation_controller.h"
 #include "content/renderer/effective_connection_type_helper.h"
 #include "content/renderer/external_popup_menu.h"
 #include "content/renderer/gpu/gpu_benchmarking_extension.h"
+#include "content/renderer/gpu/render_widget_compositor.h"
 #include "content/renderer/history_controller.h"
 #include "content/renderer/history_serialization.h"
 #include "content/renderer/image_downloader/image_downloader_impl.h"
 #include "content/renderer/ime_event_guard.h"
 #include "content/renderer/input/input_handler_manager.h"
 #include "content/renderer/internal_document_state_data.h"
 #include "content/renderer/manifest/manifest_manager.h"
 #include "content/renderer/media/audio_device_factory.h"
 #include "content/renderer/media/media_devices_listener_impl.h"
 #include "content/renderer/media/media_permission_dispatcher.h"
@@ skipping 1455 matching lines @@
                         OnGetSerializedHtmlWithLocalLinks)
     IPC_MESSAGE_HANDLER(FrameMsg_SerializeAsMHTML, OnSerializeAsMHTML)
     IPC_MESSAGE_HANDLER(FrameMsg_Find, OnFind)
     IPC_MESSAGE_HANDLER(FrameMsg_ClearActiveFindMatch, OnClearActiveFindMatch)
     IPC_MESSAGE_HANDLER(FrameMsg_StopFinding, OnStopFinding)
     IPC_MESSAGE_HANDLER(FrameMsg_EnableViewSourceMode, OnEnableViewSourceMode)
     IPC_MESSAGE_HANDLER(FrameMsg_SuppressFurtherDialogs,
                         OnSuppressFurtherDialogs)
     IPC_MESSAGE_HANDLER(FrameMsg_RunFileChooserResponse, OnFileChooserResponse)
     IPC_MESSAGE_HANDLER(FrameMsg_ClearFocusedElement, OnClearFocusedElement)
+    IPC_MESSAGE_HANDLER(FrameMsg_SetPageScaleFactor,
+                        OnSetPageScaleFactorForSubframe);
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(FrameMsg_ActivateNearestFindResult,
                         OnActivateNearestFindResult)
     IPC_MESSAGE_HANDLER(FrameMsg_GetNearestFindResult,
                         OnGetNearestFindResult)
     IPC_MESSAGE_HANDLER(FrameMsg_FindMatchRects, OnFindMatchRects)
 #endif
 
 #if defined(USE_EXTERNAL_POPUP_MENU)
 #if defined(OS_MACOSX)
@@ skipping 2920 matching lines @@
 }
 
 void RenderFrameImpl::didChangeScrollOffset(blink::WebLocalFrame* frame) {
   DCHECK_EQ(frame_, frame);
   render_view_->StartNavStateSyncTimerIfNecessary(this);
 
   for (auto& observer : observers_)
     observer.DidChangeScrollOffset();
 }
 
+void RenderFrameImpl::didRestorePageScaleFactorOnLoad(float page_scale) {
+  // Notify the web contents so it can update cross-process frames.
+  Send(new FrameHostMsg_RestorePageScaleFactorOnLoad(routing_id_, page_scale));
+}
+
 void RenderFrameImpl::willInsertBody(blink::WebLocalFrame* frame) {
   DCHECK(!frame_ || frame_ == frame);
   if (!frame->parent()) {
     render_view_->Send(new ViewHostMsg_WillInsertBody(
         render_view_->GetRoutingID()));
   }
 }
 
 void RenderFrameImpl::reportFindInPageMatchCount(int request_id,
                                                  int count,
@@ skipping 2350 matching lines @@
   // And then the mouse event is forwarded to blink, which dispatches it to the
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
+void RenderFrameImpl::OnSetPageScaleFactorForSubframe(
+    double page_scale_factor) {
+  if (is_main_frame_) {
+    NOTREACHED();
+    return;
+  }
+
+  RenderWidgetCompositor* widget_compositor = GetRenderWidget()->compositor();
+  if (widget_compositor)
+    widget_compositor->SetPageScaleFactorForSubframe(page_scale_factor);
+}
+
 }  // namespace content