Add API to get the UIResourceProvider from ContentViewRenderView

content/browser/android/content_view_render_view.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 "content/browser/android/content_view_render_view.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "cc/layers/layer.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/public/browser/android/compositor.h"
 #include "content/public/browser/android/content_view_layer_renderer.h"
 #include "content/public/browser/android/layer_tree_build_helper.h"
+#include "content/public/browser/android/ui_resource_provider.h"
 #include "jni/ContentViewRenderView_jni.h"
 #include "ui/gfx/android/java_bitmap.h"
 #include "ui/gfx/size.h"
 
 #include <android/bitmap.h>
 #include <android/native_window_jni.h>
 
 using base::android::ScopedJavaLocalRef;
 
 namespace content {
@@ skipping 34 matching lines @@
 }
 
 void ContentViewRenderView::SetLayerTreeBuildHelper(JNIEnv* env,
                                                     jobject obj,
                                                     jlong native_build_helper) {
   CHECK(native_build_helper);
 
   LayerTreeBuildHelper* build_helper =
       reinterpret_cast<LayerTreeBuildHelper*>(native_build_helper);
   layer_tree_build_helper_.reset(build_helper);
+  InitCompositor();
 }
 // static
 static jlong Init(JNIEnv* env,
                   jobject obj,
                   jlong native_root_window) {
   gfx::NativeWindow root_window =
       reinterpret_cast<gfx::NativeWindow>(native_root_window);
   ContentViewRenderView* content_view_render_view =
       new ContentViewRenderView(env, obj, root_window);
   return reinterpret_cast<intptr_t>(content_view_render_view);
@@ skipping 52 matching lines @@
 
 void ContentViewRenderView::OnSwapBuffersCompleted(int pending_swap_buffers) {
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_ContentViewRenderView_onSwapBuffersCompleted(env, java_obj_.obj());
 }
 
 void ContentViewRenderView::InitCompositor() {
   if (!compositor_)
     compositor_.reset(Compositor::Create(this, root_window_));
 }
+
+jlong ContentViewRenderView::GetUIResourceProvider(JNIEnv* env,
+                                                   jobject obj) {
+  if (!compositor_)
+    return 0;
+  return reinterpret_cast<intptr_t>(&compositor_->GetUIResourceProvider());
+}
 }  // namespace content