Notify selection controller on tab changes.

BUG=none
TEST=none


Review URL: http://codereview.chromium.org/7753015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@98495 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/renderer_host/render_widget_host_view_views.cc

@@ -149,6 +149,11 @@ void RenderWidgetHostViewViews::DidBecomeSelected() {
   is_hidden_ = false;
   if (host_)
     host_->WasRestored();
+
+  if (touch_selection_controller_.get()) {
+    touch_selection_controller_->SelectionChanged(selection_start_,
+                                                  selection_end_);
+  }
 }
 
 void RenderWidgetHostViewViews::WasHidden() {
@@ -164,6 +169,9 @@ void RenderWidgetHostViewViews::WasHidden() {
   // reduce its resource utilization.
   if (host_)
     host_->WasHidden();
+
+  if (touch_selection_controller_.get())
+    touch_selection_controller_->ClientViewLostFocus();
 }
 
 void RenderWidgetHostViewViews::SetSize(const gfx::Size& size) {
@@ -330,6 +338,8 @@ void RenderWidgetHostViewViews::SelectionChanged(const std::string& text,
                                                  const gfx::Point& end) {
   // TODO(anicolao): deal with the clipboard without GTK
   NOTIMPLEMENTED();
+  selection_start_ = start;
+  selection_end_ = end;
   if (touch_selection_controller_.get())
     touch_selection_controller_->SelectionChanged(start, end);
 }

chrome/browser/renderer_host/render_widget_host_view_views.h

@@ -267,6 +267,8 @@ class RenderWidgetHostViewViews : public RenderWidgetHostView,
   string16 tooltip_text_;
 
   scoped_ptr<views::TouchSelectionController> touch_selection_controller_;
+  gfx::Point selection_start_;
+  gfx::Point selection_end_;
 
 #if defined(TOUCH_UI)
   std::map<uint64, scoped_refptr<AcceleratedSurfaceContainerTouch> >