Fix linker warning in broadcast_channel.mojom-blink.obj.

content/renderer/renderer_blink_platform_impl.cc

Index: content/renderer/renderer_blink_platform_impl.cc
diff --git a/content/renderer/renderer_blink_platform_impl.cc b/content/renderer/renderer_blink_platform_impl.cc
index 376d3a0c68a4eac8be7a2e5db04df70522f1697e..2da38fb93ae7023fbd8450d7d029f443eba56430 100644
--- a/content/renderer/renderer_blink_platform_impl.cc
+++ b/content/renderer/renderer_blink_platform_impl.cc
@@ -74,7 +74,6 @@
 #include "content/renderer/screen_orientation/screen_orientation_observer.h"
 #include "content/renderer/webclipboard_impl.h"
 #include "content/renderer/webgraphicscontext3d_provider_impl.h"
-#include "content/renderer/webpublicsuffixlist_impl.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "gpu/config/gpu_info.h"
 #include "gpu/ipc/client/gpu_channel_host.h"
@@ -831,12 +830,6 @@ void RendererBlinkPlatformImpl::getPluginList(
 
 //------------------------------------------------------------------------------
 
-blink::WebPublicSuffixList* RendererBlinkPlatformImpl::publicSuffixList() {
-  return &public_suffix_list_;
-}
-
-//------------------------------------------------------------------------------
-
 blink::WebString RendererBlinkPlatformImpl::signedPublicKeyAndChallengeString(
     unsigned key_size_index,
     const blink::WebString& challenge,