Reduce the public method footprint of GuestViewBase and derived types.

components/guest_view/browser/guest_view_base.cc

Index: components/guest_view/browser/guest_view_base.cc
diff --git a/components/guest_view/browser/guest_view_base.cc b/components/guest_view/browser/guest_view_base.cc
index 063850e6ed8784cf088798f7674298a13ea1bf46..564ab65ea11d3dc89c7f788283a5b125af7746b9 100644
--- a/components/guest_view/browser/guest_view_base.cc
+++ b/components/guest_view/browser/guest_view_base.cc
@@ -159,6 +159,8 @@ GuestViewBase::GuestViewBase(WebContents* owner_web_contents)
           owner_web_contents->GetLastCommittedURL().host() : std::string();
 }
 
+GuestViewBase::~GuestViewBase() {}
+
 void GuestViewBase::Init(const base::DictionaryValue& create_params,
                          const WebContentsCreatedCallback& callback) {
   if (initialized_)
@@ -407,9 +409,10 @@ void GuestViewBase::DidDetach() {
   element_instance_id_ = kInstanceIDNone;
 }
 
-bool GuestViewBase::Find(int request_id,
-                         const base::string16& search_text,
-                         const blink::WebFindOptions& options) {
+bool GuestViewBase::HandleFindForEmbedder(
+    int request_id,
+    const base::string16& search_text,
+    const blink::WebFindOptions& options) {
   if (ShouldHandleFindRequestsForEmbedder()) {
     web_contents()->Find(request_id, search_text, options);
     return true;
@@ -417,7 +420,8 @@ bool GuestViewBase::Find(int request_id,
   return false;
 }
 
-bool GuestViewBase::StopFinding(content::StopFindAction action) {
+bool GuestViewBase::HandleStopFindingForEmbedder(
+    content::StopFindAction action) {
   if (ShouldHandleFindRequestsForEmbedder()) {
     web_contents()->StopFinding(action);
     return true;
@@ -701,9 +705,6 @@ void GuestViewBase::FindReply(WebContents* source,
   }
 }
 
-GuestViewBase::~GuestViewBase() {
-}
-
 void GuestViewBase::OnZoomChanged(
     const ui_zoom::ZoomController::ZoomChangedEventData& data) {
   if (data.web_contents == embedder_web_contents()) {
@@ -717,8 +718,6 @@ void GuestViewBase::OnZoomChanged(
     // When the embedder's zoom level doesn't match the guest's, then update the
     // guest's zoom level to match.
     guest_zoom_controller->SetZoomLevel(data.new_zoom_level);
-
-    EmbedderZoomChanged(data.old_zoom_level, data.new_zoom_level);
     return;
   }