Move download messages from Renderer to Frame filter.

content/browser/renderer_host/render_message_filter.cc

Index: content/browser/renderer_host/render_message_filter.cc
diff --git a/content/browser/renderer_host/render_message_filter.cc b/content/browser/renderer_host/render_message_filter.cc
index e6abdca22504bfdf9efcee9a9b859d85099b4a12..bc5b2d25d78f19b48086c1ba90dd6a192caf4892 100644
--- a/content/browser/renderer_host/render_message_filter.cc
+++ b/content/browser/renderer_host/render_message_filter.cc
@@ -23,8 +23,6 @@
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/dom_storage/dom_storage_context_wrapper.h"
 #include "content/browser/dom_storage/session_storage_namespace_impl.h"
-#include "content/browser/download/download_stats.h"
-#include "content/browser/fileapi/chrome_blob_storage_context.h"
 #include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/gpu/gpu_process_host.h"
@@ -34,10 +32,8 @@
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_helper.h"
-#include "content/browser/resource_context_impl.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/common/child_process_messages.h"
-#include "content/common/content_constants_internal.h"
 #include "content/common/gpu/client/gpu_memory_buffer_impl.h"
 #include "content/common/host_shared_bitmap_manager.h"
 #include "content/common/render_process_messages.h"
@@ -46,8 +42,6 @@
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
-#include "content/public/browser/download_manager.h"
-#include "content/public/browser/download_url_parameters.h"
 #include "content/public/browser/resource_context.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/common/content_switches.h"
@@ -67,7 +61,6 @@
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "ppapi/shared_impl/file_type_conversion.h"
-#include "storage/browser/blob/blob_storage_context.h"
 #include "ui/gfx/color_profile.h"
 #include "url/gurl.h"
 
@@ -106,21 +99,6 @@ base::LazyInstance<gfx::ColorProfile>::Leaky g_color_profile =
     LAZY_INSTANCE_INITIALIZER;
 #endif
 
-void DownloadUrlOnUIThread(scoped_ptr<DownloadUrlParameters> parameters) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  RenderProcessHost* render_process_host =
-      RenderProcessHost::FromID(parameters->render_process_host_id());
-  if (!render_process_host)
-    return;
-
-  BrowserContext* browser_context = render_process_host->GetBrowserContext();
-  DownloadManager* download_manager =
-      BrowserContext::GetDownloadManager(browser_context);
-  RecordDownloadSource(INITIATED_BY_RENDERER);
-  download_manager->DownloadUrl(std::move(parameters));
-}
-
 }  // namespace
 
 RenderMessageFilter::RenderMessageFilter(
@@ -169,9 +147,6 @@ bool RenderMessageFilter::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(ViewHostMsg_CreateWidget, OnCreateWidget)
     IPC_MESSAGE_HANDLER(ViewHostMsg_CreateFullscreenWidget,
                         OnCreateFullscreenWidget)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_DownloadUrl, OnDownloadUrl)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_SaveImageFromDataURL,
-                        OnSaveImageFromDataURL)
 #if defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER_GENERIC(
         ViewHostMsg_SwapCompositorFrame,
@@ -390,61 +365,6 @@ void RenderMessageFilter::OnGetMonitorColorProfile(std::vector<char>* profile) {
 
 #endif  // OS_*
 
-void RenderMessageFilter::DownloadUrl(int render_view_id,
-                                      int render_frame_id,
-                                      const GURL& url,
-                                      const Referrer& referrer,
-                                      const base::string16& suggested_name,
-                                      const bool use_prompt) const {
-  if (!resource_context_)
-    return;
-
-  scoped_ptr<DownloadUrlParameters> parameters(
-      new DownloadUrlParameters(url, render_process_id_, render_view_id,
-                                render_frame_id, resource_context_));
-  parameters->set_content_initiated(true);
-  parameters->set_suggested_name(suggested_name);
-  parameters->set_prompt(use_prompt);
-  parameters->set_referrer(referrer);
-
-  if (url.SchemeIsBlob()) {
-    ChromeBlobStorageContext* blob_context =
-        GetChromeBlobStorageContextForResourceContext(resource_context_);
-    parameters->set_blob_data_handle(
-        blob_context->context()->GetBlobDataFromPublicURL(url));
-    // Don't care if the above fails. We are going to let the download go
-    // through and allow it to be interrupted so that the embedder can deal.
-  }
-
-  BrowserThread::PostTask(
-      BrowserThread::UI, FROM_HERE,
-      base::Bind(&DownloadUrlOnUIThread, base::Passed(&parameters)));
-}
-
-void RenderMessageFilter::OnDownloadUrl(int render_view_id,
-                                        int render_frame_id,
-                                        const GURL& url,
-                                        const Referrer& referrer,
-                                        const base::string16& suggested_name) {
-  DownloadUrl(render_view_id, render_frame_id, url, referrer, suggested_name,
-              false);
-}
-
-void RenderMessageFilter::OnSaveImageFromDataURL(int render_view_id,
-                                                 int render_frame_id,
-                                                 const std::string& url_str) {
-  // Please refer to RenderViewImpl::saveImageFromDataURL().
-  if (url_str.length() >= kMaxLengthOfDataURLString)
-    return;
-
-  GURL data_url(url_str);
-  if (!data_url.SchemeIs(url::kDataScheme))
-    return;
-
-  DownloadUrl(render_view_id, render_frame_id, data_url, Referrer(),
-              base::string16(), true);
-}
-
 void RenderMessageFilter::AllocateSharedMemoryOnFileThread(
     uint32_t buffer_size,
     IPC::Message* reply_msg) {