Index: chrome/browser/net/chrome_network_delegate.cc |
diff --git a/chrome/browser/net/chrome_network_delegate.cc b/chrome/browser/net/chrome_network_delegate.cc |
index c66e5152256f6a459361aa82a614900d8c6dd0f6..333e08264bd3db9c3d47f74fad642f9f838066f2 100644 |
--- a/chrome/browser/net/chrome_network_delegate.cc |
+++ b/chrome/browser/net/chrome_network_delegate.cc |
@@ -24,6 +24,7 @@ |
#include "chrome/browser/extensions/extension_process_manager.h" |
#include "chrome/browser/extensions/extension_system.h" |
#include "chrome/browser/google/google_util.h" |
+#include "chrome/browser/net/client_hints.h" |
#include "chrome/browser/net/connect_interceptor.h" |
#include "chrome/browser/net/load_time_stats.h" |
#include "chrome/browser/performance_monitor/performance_monitor.h" |
@@ -75,6 +76,7 @@ bool ChromeNetworkDelegate::g_never_throttle_requests_ = false; |
namespace { |
const char kDNTHeader[] = "DNT"; |
+const char kClientHintsHeader[] = "Client-Hints"; |
// If the |request| failed due to problems with a proxy, forward the error to |
// the proxy extension API. |
@@ -279,6 +281,7 @@ ChromeNetworkDelegate::ChromeNetworkDelegate( |
original_content_length_(0) { |
DCHECK(event_router); |
DCHECK(enable_referrers); |
+ client_hints_ = ClientHints::create(); |
Ryan Sleevi
2013/01/16 23:19:56
Why a static method? Why not new ClientHints?
bengr (incorrect)
2013/01/17 01:50:44
Done.
|
} |
ChromeNetworkDelegate::~ChromeNetworkDelegate() {} |
@@ -383,6 +386,23 @@ int ChromeNetworkDelegate::OnBeforeURLRequest( |
if (enable_do_not_track_ && enable_do_not_track_->GetValue()) |
request->SetExtraRequestHeaderByName(kDNTHeader, "1", true /* override */); |
+ // TODO(bengr): Put behind experimental flag. |
+ int process_id, render_view_id; |
+ const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request); |
+ if (info && info->GetAssociatedRenderView(&process_id, &render_view_id)) { |
+ if (client_hints_->IsScreenInfoAvailable(process_id, render_view_id)) { |
+ std::string client_hints_value = |
+ client_hints_->GetScreenInfoHints(process_id, render_view_id); |
+ request->SetExtraRequestHeaderByName(kClientHintsHeader, |
+ client_hints_value, true); |
+ DVLOG(2) << kClientHintsHeader << ": " << client_hints_value |
+ << " for " << request->url().spec(); |
+ } else { |
+ DVLOG(2) << kClientHintsHeader << " not available for " |
+ << request->url().spec(); |
+ } |
+ } |
+ |
bool force_safe_search = force_google_safe_search_ && |
force_google_safe_search_->GetValue(); |