Convert SetVisuallyDeemphasized IPC to mojo

chrome/renderer/chrome_render_view_observer.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 "chrome/renderer/chrome_render_view_observer.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 28 matching lines @@
 #endif
 
 using blink::WebFrame;
 using blink::WebLocalFrame;
 using blink::WebWindowFeatures;
 
 ChromeRenderViewObserver::ChromeRenderViewObserver(
     content::RenderView* render_view,
     web_cache::WebCacheImpl* web_cache_impl)
     : content::RenderViewObserver(render_view),
-      web_cache_impl_(web_cache_impl),
-      webview_visually_deemphasized_(false) {}
+      web_cache_impl_(web_cache_impl) {}
 
 ChromeRenderViewObserver::~ChromeRenderViewObserver() {
 }
 
 bool ChromeRenderViewObserver::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ChromeRenderViewObserver, message)
 #if !defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_WebUIJavaScript, OnWebUIJavaScript)
 #endif
-#if BUILDFLAG(ENABLE_EXTENSIONS)
-    IPC_MESSAGE_HANDLER(ChromeViewMsg_SetVisuallyDeemphasized,
-                        OnSetVisuallyDeemphasized)
-#endif
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_UpdateBrowserControlsState,
                         OnUpdateBrowserControlsState)
 #endif
     IPC_MESSAGE_HANDLER(ChromeViewMsg_GetWebApplicationInfo,
                         OnGetWebApplicationInfo)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetWindowFeatures, OnSetWindowFeatures)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
@@ skipping 66 matching lines @@
       content::ConvertMojoWindowFeaturesToWebWindowFeatures(window_features));
 }
 
 void ChromeRenderViewObserver::Navigate(const GURL& url) {
   // Execute cache clear operations that were postponed until a navigation
   // event (including tab reload).
   if (web_cache_impl_)
     web_cache_impl_->ExecutePendingClearCache();
 }
 
-#if BUILDFLAG(ENABLE_EXTENSIONS)
-void ChromeRenderViewObserver::OnSetVisuallyDeemphasized(bool deemphasized) {
-  if (webview_visually_deemphasized_ == deemphasized)
-    return;
-
-  webview_visually_deemphasized_ = deemphasized;
-
-  if (deemphasized) {
-    // 70% opaque grey.
-    SkColor greyish = SkColorSetARGB(178, 0, 0, 0);
-    render_view()->GetWebView()->setPageOverlayColor(greyish);
-  } else {
-    render_view()->GetWebView()->setPageOverlayColor(SK_ColorTRANSPARENT);
-  }
-}
-#endif
-
 void ChromeRenderViewObserver::DidCommitProvisionalLoad(
     blink::WebLocalFrame* frame,
     bool is_new_navigation) {
   auto* render_frame = content::RenderFrame::FromWebFrame(frame);
   if (render_frame->IsMainFrame() &&
       (render_frame->GetEnabledBindings() & content::BINDINGS_POLICY_WEB_UI) &&
       !webui_javascript_.empty()) {
     for (const auto& script : webui_javascript_)
       render_view()->GetMainRenderFrame()->ExecuteJavaScript(script);
     webui_javascript_.clear();
   }
 }
 
 void ChromeRenderViewObserver::OnDestruct() {
   delete this;
 }