Remove old diagnostic crash reports.

content/browser/frame_host/render_frame_host_manager.cc

Index: content/browser/frame_host/render_frame_host_manager.cc
diff --git a/content/browser/frame_host/render_frame_host_manager.cc b/content/browser/frame_host/render_frame_host_manager.cc
index 42ee8bc75ae27ee8f7c2818f27a2b4536c46e797..527e05f3ac7cd4e764e3a4ef5c2ca0bd43df9399 100644
--- a/content/browser/frame_host/render_frame_host_manager.cc
+++ b/content/browser/frame_host/render_frame_host_manager.cc
@@ -2018,33 +2018,8 @@ bool RenderFrameHostManager::InitRenderFrame(
   if (existing_proxy) {
     proxy_routing_id = existing_proxy->GetRoutingID();
     CHECK_NE(proxy_routing_id, MSG_ROUTING_NONE);
-    if (!existing_proxy->is_render_frame_proxy_live()) {
-      // Calling InitRenderFrameProxy on main frames seems to be causing
-      // https://crbug.com/575245, so track down how this can happen.
-      // TODO(creis): Remove this once we've found the cause.
-      if (!frame_tree_node_->parent()) {
-        base::debug::SetCrashKeyValue(
-            "initrf_frame_id",
-            base::IntToString(render_frame_host->GetRoutingID()));
-        base::debug::SetCrashKeyValue("initrf_proxy_id",
-                                      base::IntToString(proxy_routing_id));
-        base::debug::SetCrashKeyValue(
-            "initrf_view_id",
-            base::IntToString(
-                render_frame_host->render_view_host()->GetRoutingID()));
-        base::debug::SetCrashKeyValue(
-            "initrf_main_frame_id",
-            base::IntToString(render_frame_host->render_view_host()
-                                  ->main_frame_routing_id()));
-        base::debug::SetCrashKeyValue(
-            "initrf_view_is_live",
-            render_frame_host->render_view_host()->IsRenderViewLive() ? "yes"
-                                                                      : "no");
-        base::debug::DumpWithoutCrashing();
-      }
-
+    if (!existing_proxy->is_render_frame_proxy_live())
       existing_proxy->InitRenderFrameProxy();
-    }
   }
 
   // TODO(alexmos): These crash keys are temporary to track down