[Experimental, WIP] Demo version of extracting WebView selection data from CompositorFrame.

content/browser/renderer_host/render_widget_host_view_base.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_widget_host_view_base.h"
 
 #include "base/logging.h"
 #include "base/profiler/scoped_tracker.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
@@ skipping 358 matching lines @@
     : popup_type_(blink::WebPopupTypeNone),
       background_color_(SK_ColorWHITE),
       mouse_locked_(false),
       showing_context_menu_(false),
       selection_text_offset_(0),
       selection_range_(gfx::Range::InvalidRange()),
       current_device_scale_factor_(0),
       current_display_rotation_(gfx::Display::ROTATE_0),
       pinch_zoom_enabled_(content::IsPinchToZoomEnabled()),
       renderer_frame_number_(0),
+      focused_node_is_plugin_(false),
       weak_factory_(this) {
 }
 
 RenderWidgetHostViewBase::~RenderWidgetHostViewBase() {
   DCHECK(!mouse_locked_);
 }
 
 bool RenderWidgetHostViewBase::OnMessageReceived(const IPC::Message& msg){
   return false;
 }
@@ skipping 124 matching lines @@
 gfx::AcceleratedWidget
     RenderWidgetHostViewBase::AccessibilityGetAcceleratedWidget() {
   return gfx::kNullAcceleratedWidget;
 }
 
 gfx::NativeViewAccessible
     RenderWidgetHostViewBase::AccessibilityGetNativeViewAccessible() {
   return NULL;
 }
 
+void RenderWidgetHostViewBase::FocusedNodeChanged(bool is_editable_node,
+                                                  bool is_plugin_node) {
+  focused_node_is_plugin_ = is_plugin_node;
+}
+
 void RenderWidgetHostViewBase::UpdateScreenInfo(gfx::NativeView view) {
   RenderWidgetHostImpl* impl = NULL;
   if (GetRenderWidgetHost())
     impl = RenderWidgetHostImpl::From(GetRenderWidgetHost());
 
   if (impl)
     impl->SendScreenRects();
 
   if (HasDisplayPropertyChanged(view) && impl)
     impl->NotifyScreenInfoChanged();
@@ skipping 162 matching lines @@
 }
 
 void RenderWidgetHostViewBase::OnDidNavigateMainFrameToNewPage() {
 }
 
 uint32_t RenderWidgetHostViewBase::GetSurfaceIdNamespace() {
   return 0;
 }
 
 }  // namespace content