Reland: Update TextSelection for non-user initiated events

content/browser/renderer_host/text_input_manager.cc

Index: content/browser/renderer_host/text_input_manager.cc
diff --git a/content/browser/renderer_host/text_input_manager.cc b/content/browser/renderer_host/text_input_manager.cc
index 8ab29925959ae1ae0033a14cae72d9c834af7e1f..fd2eaf3a1ad4ddf1ca93765ecf39442ea4f07b1a 100644
--- a/content/browser/renderer_host/text_input_manager.cc
+++ b/content/browser/renderer_host/text_input_manager.cc
@@ -239,9 +239,10 @@ void TextInputManager::ImeCompositionRangeChanged(
 void TextInputManager::SelectionChanged(RenderWidgetHostViewBase* view,
                                         const base::string16& text,
                                         size_t offset,
-                                        const gfx::Range& range) {
+                                        const gfx::Range& range,
+                                        bool user_initiated) {
   DCHECK(IsRegistered(view));
-  text_selection_map_[view].SetSelection(text, offset, range);
+  text_selection_map_[view].SetSelection(text, offset, range, user_initiated);
   for (auto& observer : observer_list_)
     observer.OnTextSelectionChanged(this, view);
 }
@@ -321,8 +322,7 @@ TextInputManager::CompositionRangeInfo::CompositionRangeInfo(
 
 TextInputManager::CompositionRangeInfo::~CompositionRangeInfo() {}
 
-TextInputManager::TextSelection::TextSelection()
-    : offset_(0), range_(gfx::Range::InvalidRange()) {}
+TextInputManager::TextSelection::TextSelection() {}
 
 TextInputManager::TextSelection::TextSelection(const TextSelection& other) =
     default;
@@ -331,11 +331,13 @@ TextInputManager::TextSelection::~TextSelection() {}
 
 void TextInputManager::TextSelection::SetSelection(const base::string16& text,
                                                    size_t offset,
-                                                   const gfx::Range& range) {
+                                                   const gfx::Range& range,
+                                                   bool user_initiated) {
   text_ = text;
   range_.set_start(range.start());
   range_.set_end(range.end());
   offset_ = offset;
+  user_initiated_ = user_initiated;
 
   // Update the selected text.
   selected_text_.clear();