Remove DCHECK_IMPLIES and CHECK_IMPLIES

content/renderer/render_frame_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 567 matching lines @@
     CHECK(proxy);
     render_frame = RenderFrameImpl::Create(proxy->render_view(), routing_id);
     web_frame =
         blink::WebLocalFrame::create(replicated_state.scope, render_frame);
     render_frame->proxy_routing_id_ = proxy_routing_id;
     web_frame->initializeToReplaceRemoteFrame(
         proxy->web_frame(), WebString::fromUTF8(replicated_state.name),
         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(
         switches::kSitePerProcess));
     render_frame->render_widget_ = RenderWidget::CreateForFrame(
         widget_params.routing_id, widget_params.surface_id,
         widget_params.hidden, render_frame->render_view_->screen_info(),
         compositor_deps, web_frame);
     // TODO(kenrb): Observing shouldn't be necessary when we sort out
     // WasShown and WasHidden, separating page-level visibility from
@@ skipping 520 matching lines @@
     int proxy_routing_id,
     bool is_loading,
     const FrameReplicationState& replicated_frame_state) {
   TRACE_EVENT1("navigation", "RenderFrameImpl::OnSwapOut", "id", routing_id_);
   RenderFrameProxy* proxy = NULL;
   bool is_site_per_process = base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kSitePerProcess);
   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_) {
     // Swap this RenderFrame out so the frame can navigate to a page rendered by
     // a different process.  This involves running the unload handler and
     // clearing the page.  We also allow this process to exit if there are no
     // other active RenderFrames in it.
 
     // Send an UpdateState message before we get swapped out.
     render_view_->SyncNavigationState();
@@ skipping 1514 matching lines @@
   if (is_new_navigation) {
     // We bump our Page ID to correspond with the new session history entry.
     render_view_->page_id_ = render_view_->next_page_id_++;
 
     // Don't update history list values for kSwappedOutURL, since
     // we don't want to forget the entry that was there, and since we will
     // never come back to kSwappedOutURL.  Note that we have to call
     // 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.
       // There is now no forward history.
       render_view_->history_list_offset_++;
       if (render_view_->history_list_offset_ >= kMaxSessionHistoryEntries)
         render_view_->history_list_offset_ = kMaxSessionHistoryEntries - 1;
       render_view_->history_list_length_ =
           render_view_->history_list_offset_ + 1;
     }
@@ skipping 2325 matching lines @@
         cdm_manager_
 #endif
         ));
 #endif  //  defined(ENABLE_MOJO_MEDIA)
   }
 
   return cdm_factory_.get();
 }
 
 }  // namespace content