Remove DCHECK_IMPLIES and CHECK_IMPLIES

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 2e7d77a987884907027c9592b092779f2be946ff..3d81f0c7a8069fefceebb8c33953b2ec3db1db7f 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -585,7 +585,7 @@ void RenderFrameImpl::CreateFrame(
         replicated_state.sandbox_flags);
   }
   render_frame->SetWebFrame(web_frame);
-  CHECK_IMPLIES(parent_routing_id == MSG_ROUTING_NONE, !web_frame->parent());
+  CHECK(parent_routing_id != MSG_ROUTING_NONE || !web_frame->parent());
 
   if (widget_params.routing_id != MSG_ROUTING_NONE) {
     CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
@@ -1126,7 +1126,7 @@ void RenderFrameImpl::OnSwapOut(
   bool is_main_frame = !frame_->parent();
 
   // This codepath should only be hit for subframes when in --site-per-process.
-  CHECK_IMPLIES(!is_main_frame, is_site_per_process);
+  CHECK(is_main_frame || is_site_per_process);
 
   // Only run unload if we're not swapped out yet, but send the ack either way.
   if (!is_swapped_out_) {
@@ -2661,9 +2661,8 @@ void RenderFrameImpl::didCommitProvisionalLoad(
     // UpdateSessionHistory and update page_id_ even in this case, so that
     // the current entry gets a state update and so that we don't send a
     // state update to the wrong entry when we swap back in.
-    DCHECK_IMPLIES(
-        navigation_state->start_params().should_replace_current_entry,
-        render_view_->history_list_length_ > 0);
+    DCHECK(!navigation_state->start_params().should_replace_current_entry ||
+           render_view_->history_list_length_ > 0);
     if (GetLoadingUrl() != GURL(kSwappedOutURL) &&
         !navigation_state->start_params().should_replace_current_entry) {
       // Advance our offset in session history, applying the length limit.