content: Move Surfaces related code out of RWHVA.

content/browser/android/content_view_core_impl.cc

 // Copyright 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/android/content_view_core_impl.h"
 
 #include <stddef.h>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 211 matching lines @@
       web_contents_(static_cast<WebContentsImpl*>(web_contents)),
       page_scale_(1),
       dpi_scale_(ui::GetScaleFactorForNativeView(&view_)),
       device_orientation_(0),
       accessibility_enabled_(false) {
   CHECK(web_contents) <<
       "A ContentViewCoreImpl should be created with a valid WebContents.";
   DCHECK(window_android);
   DCHECK(!view_android_delegate.is_null());
   window_android->AddChild(&view_);
-  view_.SetLayer(cc::SolidColorLayer::Create());
-  view_.GetLayer()->SetBackgroundColor(GetBackgroundColor(env, obj));
+  view_.SetLayer(cc::Layer::Create());
   gfx::Size physical_size(
       Java_ContentViewCore_getPhysicalBackingWidthPix(env, obj),
       Java_ContentViewCore_getPhysicalBackingHeightPix(env, obj));
   view_.GetLayer()->SetBounds(physical_size);
-  view_.GetLayer()->SetIsDrawable(true);
 
   // Currently, the only use case we have for overriding a user agent involves
   // spoofing a desktop Linux user agent for "Request desktop site".
   // Automatically set it for all WebContents so that it is available when a
   // NavigationEntry requires the user agent to be overridden.
   const char kLinuxInfoStr[] = "X11; Linux x86_64";
   std::string product = content::GetContentClient()->GetProduct();
   std::string spoofed_ua =
       BuildUserAgentFromOSAndProduct(kLinuxInfoStr, product);
   web_contents->SetUserAgentOverride(spoofed_ua);
@@ skipping 228 matching lines @@
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return;
   ScopedJavaLocalRef<jstring> jtitle =
       ConvertUTF8ToJavaString(env, base::UTF16ToUTF8(title));
   Java_ContentViewCore_setTitle(env, obj.obj(), jtitle.obj());
 }
 
 void ContentViewCoreImpl::OnBackgroundColorChanged(SkColor color) {
-  view_.GetLayer()->SetBackgroundColor(color);
-
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return;
   Java_ContentViewCore_onBackgroundColorChanged(env, obj.obj(), color);
 }
 
 void ContentViewCoreImpl::ShowSelectPopupMenu(
     RenderFrameHost* frame,
     const gfx::Rect& bounds,
@@ skipping 327 matching lines @@
   ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
   if (j_obj.is_null())
     return false;
   return Java_ContentViewCore_doTopControlsShrinkBlinkSize(env, j_obj.obj());
 }
 
 float ContentViewCoreImpl::GetTopControlsHeightDip() const {
   return GetTopControlsHeightPix() / dpi_scale();
 }
 
-void ContentViewCoreImpl::AttachLayer(scoped_refptr<cc::Layer> layer) {
-  view_.GetLayer()->InsertChild(layer, 0);
-  view_.GetLayer()->SetIsDrawable(false);
-}
-
-void ContentViewCoreImpl::RemoveLayer(scoped_refptr<cc::Layer> layer) {
-  layer->RemoveFromParent();
-
-  if (view_.GetLayer()->children().empty())
-    view_.GetLayer()->SetIsDrawable(true);
-}
-
 void ContentViewCoreImpl::MoveRangeSelectionExtent(const gfx::PointF& extent) {
   if (!web_contents_)
     return;
 
   web_contents_->MoveRangeSelectionExtent(gfx::ToRoundedPoint(extent));
 }
 
 void ContentViewCoreImpl::SelectBetweenCoordinates(const gfx::PointF& base,
                                                    const gfx::PointF& extent) {
   if (!web_contents_)
@@ skipping 790 matching lines @@
     return ScopedJavaLocalRef<jobject>();
 
   return view->GetJavaObject();
 }
 
 bool RegisterContentViewCore(JNIEnv* env) {
   return RegisterNativesImpl(env) && JNI_DragEvent::RegisterNativesImpl(env);
 }
 
 }  // namespace content