aw: Move clearView implementaiton to native

android_webview/native/aw_contents.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 "android_webview/native/aw_contents.h"
 
 #include <limits>
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_browser_main_parts.h"
@@ skipping 965 matching lines @@
       browser_view_renderer_->CapturePicture(width, height)));
 }
 
 void AwContents::EnableOnNewPicture(JNIEnv* env,
                                     jobject obj,
                                     jboolean enabled) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   browser_view_renderer_->EnableOnNewPicture(enabled);
 }
 
+void AwContents::ClearView(JNIEnv* env, jobject obj) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  browser_view_renderer_->ClearView();
+}
+
 void AwContents::SetExtraHeadersForUrl(JNIEnv* env, jobject obj,
                                        jstring url, jstring jextra_headers) {
   std::string extra_headers;
   if (jextra_headers)
     extra_headers = ConvertJavaStringToUTF8(env, jextra_headers);
   AwResourceContext* resource_context = static_cast<AwResourceContext*>(
       AwBrowserContext::FromWebContents(web_contents_.get())->
       GetResourceContext());
   resource_context->SetExtraHeaders(GURL(ConvertJavaStringToUTF8(env, url)),
                                     extra_headers);
 }
 
 void AwContents::SetJsOnlineProperty(JNIEnv* env,
                                      jobject obj,
                                      jboolean network_up) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   render_view_host_ext_->SetJsOnlineProperty(network_up);
 }
 
 void AwContents::TrimMemory(JNIEnv* env, jobject obj, jint level) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   browser_view_renderer_->TrimMemory(level);
 }
 
 void SetShouldDownloadFavicons(JNIEnv* env, jclass jclazz) {
   g_should_download_favicons = true;
 }
 
 }  // namespace android_webview