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

content/renderer/renderer_blink_platform_impl.h

Index: content/renderer/renderer_blink_platform_impl.h
diff --git a/content/renderer/renderer_blink_platform_impl.h b/content/renderer/renderer_blink_platform_impl.h
index 0bfa199febc6ff02869bcc7bce5d6635e1e260d3..a0058d984e9960185df971e90c48b9568cc13041 100644
--- a/content/renderer/renderer_blink_platform_impl.h
+++ b/content/renderer/renderer_blink_platform_impl.h
@@ -19,7 +19,6 @@
 #include "content/common/content_export.h"
 #include "content/renderer/origin_trials/web_trial_token_validator_impl.h"
 #include "content/renderer/top_level_blame_context.h"
-#include "content/renderer/webpublicsuffixlist_impl.h"
 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBFactory.h"
 #include "third_party/WebKit/public/platform/modules/screen_orientation/WebScreenOrientationType.h"
 
@@ -129,7 +128,6 @@ class CONTENT_EXPORT RendererBlinkPlatformImpl : public BlinkPlatformImpl {
       const blink::WebURL& top_origin) override;
   void getPluginList(bool refresh,
                      blink::WebPluginListBuilder* builder) override;
-  blink::WebPublicSuffixList* publicSuffixList() override;
   blink::WebScrollbarBehavior* scrollbarBehavior() override;
   blink::WebIDBFactory* idbFactory() override;
   blink::WebServiceWorkerCacheStorage* cacheStorage(
@@ -280,8 +278,6 @@ class CONTENT_EXPORT RendererBlinkPlatformImpl : public BlinkPlatformImpl {
 
   std::unique_ptr<blink::WebBlobRegistry> blob_registry_;
 
-  WebPublicSuffixListImpl public_suffix_list_;
-
   scoped_refptr<base::SingleThreadTaskRunner> default_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> loading_task_runner_;
   scoped_refptr<IPC::SyncMessageFilter> sync_message_filter_;