Remove usage of HostZoomMap from c/b/loader via ReadyToCommitNavigation

content/renderer/render_frame_impl_browsertest.cc

 // Copyright 2015 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 <stdint.h>
 
 #include "base/command_line.h"
 #include "base/debug/leak_annotations.h"
 #include "build/build_config.h"
+#include "content/child/web_url_loader_impl.h"
 #include "content/common/frame_messages.h"
 #include "content/common/frame_owner_properties.h"
 #include "content/common/renderer.mojom.h"
 #include "content/common/view_messages.h"
 #include "content/public/renderer/document_state.h"
 #include "content/public/test/frame_load_waiter.h"
 #include "content/public/test/render_view_test.h"
 #include "content/public/test/test_utils.h"
 #include "content/renderer/navigation_state_impl.h"
 #include "content/renderer/render_frame_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "content/test/fake_compositor_dependencies.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebEffectiveConnectionType.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/web/WebHistoryItem.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
+#include "third_party/WebKit/public/web/WebView.h"
 
 using blink::WebString;
 
 namespace {
 const int32_t kSubframeRouteId = 20;
 const int32_t kSubframeWidgetRouteId = 21;
 const int32_t kFrameProxyRouteId = 22;
 }  // namespace
 
 namespace content {
@@ skipping 298 matching lines @@
 
   const std::string exceeded_data_url(1024 * 1024 * 20 + 1, 'd');
 
   frame()->saveImageFromDataURL(WebString::fromUTF8(exceeded_data_url));
   ProcessPendingMessages();
   const IPC::Message* msg4 = render_thread_->sink().GetFirstMessageMatching(
       FrameHostMsg_SaveImageFromDataURL::ID);
   EXPECT_FALSE(msg4);
 }
 
+TEST_F(RenderFrameImplTest, ZoomLimit) {
+  const double kMinZoomLevel = ZoomFactorToZoomLevel(kMinimumZoomFactor);
+  const double kMaxZoomLevel = ZoomFactorToZoomLevel(kMaximumZoomFactor);
+
+  // Verifies navigation to a URL with preset zoom level indeed sets the level.
+  // Regression test for http://crbug.com/139559, where the level was not
+  // properly set when it is out of the default zoom limits of WebView.
+  CommonNavigationParams common_params;
+  common_params.url = GURL("data:text/html,min_zoomlimit_test");
+  GetMainRenderFrame()->SetHostZoomLevel(common_params.url, kMinZoomLevel);
+  GetMainRenderFrame()->NavigateInternal(
+      common_params, StartNavigationParams(), RequestNavigationParams(),
+      std::unique_ptr<StreamOverrideParameters>());
+  ProcessPendingMessages();
+  EXPECT_DOUBLE_EQ(kMinZoomLevel, view_->GetWebView()->zoomLevel());
+
+  // It should work even when the zoom limit is temporarily changed in the page.
+  view_->GetWebView()->zoomLimitsChanged(ZoomFactorToZoomLevel(1.0),
+                                         ZoomFactorToZoomLevel(1.0));
+  common_params.url = GURL("data:text/html,max_zoomlimit_test");
+  GetMainRenderFrame()->SetHostZoomLevel(common_params.url, kMaxZoomLevel);
+  GetMainRenderFrame()->NavigateInternal(
+      common_params, StartNavigationParams(), RequestNavigationParams(),
+      std::unique_ptr<StreamOverrideParameters>());
+  ProcessPendingMessages();
+  EXPECT_DOUBLE_EQ(kMaxZoomLevel, view_->GetWebView()->zoomLevel());
+}
+
 }  // namespace