Drop test-only WebFrameClient params/functions

components/test_runner/web_frame_test_client.h

Index: components/test_runner/web_frame_test_client.h
diff --git a/components/test_runner/web_frame_test_client.h b/components/test_runner/web_frame_test_client.h
index 4bc8e405b1b5e6354a6d9b4fdd90936085a899ab..46e47536fdc76ca1192f35e7b606b7145b3fdf61 100644
--- a/components/test_runner/web_frame_test_client.h
+++ b/components/test_runner/web_frame_test_client.h
@@ -89,16 +89,8 @@ class WebFrameTestClient : public blink::WebFrameClient {
                     bool did_block_entire_page) override;
   void didDispatchPingLoader(const blink::WebURL& url) override;
   void willSendRequest(blink::WebLocalFrame* frame,
-                       unsigned identifier,
-                       blink::WebURLRequest& request,
-                       const blink::WebURLResponse& redirect_response) override;
-  void didReceiveResponse(unsigned identifier,
-                          const blink::WebURLResponse& response) override;
-  void didChangeResourcePriority(unsigned identifier,
-                                 const blink::WebURLRequest::Priority& priority,
-                                 int intra_priority_value) override;
-  void didFinishResourceLoad(blink::WebLocalFrame* frame,
-                             unsigned identifier) override;
+                       blink::WebURLRequest& request) override;
+  void didReceiveResponse(const blink::WebURLResponse& response) override;
   blink::WebNavigationPolicy decidePolicyForNavigation(
       const blink::WebFrameClient::NavigationPolicyInfo& info) override;
   void checkIfAudioSinkExistsAndIsAuthorized(
@@ -116,11 +108,6 @@ class WebFrameTestClient : public blink::WebFrameClient {
   WebViewTestProxyBase* web_view_test_proxy_base_;
   WebFrameTestProxyBase* web_frame_test_proxy_base_;
 
-  // Map from request identifier into resource url description.  The map is used
-  // to track resource requests spanning willSendRequest, didReceiveResponse,
-  // didChangeResourcePriority, didFinishResourceLoad.
-  std::map<unsigned, std::string> resource_identifier_map_;
-
   DISALLOW_COPY_AND_ASSIGN(WebFrameTestClient);
 };