Fix a crash when saving a <canvas> or <img> image which is large.

content/renderer/render_frame_impl.cc

 // Copyright 2013 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/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 1886 matching lines @@
 void RenderFrameImpl::loadURLExternally(
     blink::WebLocalFrame* frame,
     const blink::WebURLRequest& request,
     blink::WebNavigationPolicy policy,
     const blink::WebString& suggested_name) {
   DCHECK(!frame_ || frame_ == frame);
   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(frame, request));
   if (policy == blink::WebNavigationPolicyDownload) {
     render_view_->Send(new ViewHostMsg_DownloadUrl(render_view_->GetRoutingID(),
                                                    request.url(), referrer,
-                                                   suggested_name, false));
-  } else if (policy == blink::WebNavigationPolicyDownloadTo) {
-    render_view_->Send(new ViewHostMsg_DownloadUrl(render_view_->GetRoutingID(),
-                                                   request.url(), referrer,
-                                                   suggested_name, true));
+                                                   suggested_name));
   } else {
     OpenURL(frame, request.url(), referrer, policy);
   }
 }
 
 blink::WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
     const NavigationPolicyInfo& info) {
   DCHECK(!frame_ || frame_ == info.frame);
   return DecidePolicyForNavigation(this, info);
 }
@@ skipping 1996 matching lines @@
 
 #if defined(ENABLE_BROWSER_CDMS)
 RendererCdmManager* RenderFrameImpl::GetCdmManager() {
   if (!cdm_manager_)
     cdm_manager_ = new RendererCdmManager(this);
   return cdm_manager_;
 }
 #endif  // defined(ENABLE_BROWSER_CDMS)
 
 }  // namespace content