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

content/renderer/render_frame_impl_browsertest.cc

Index: content/renderer/render_frame_impl_browsertest.cc
diff --git a/content/renderer/render_frame_impl_browsertest.cc b/content/renderer/render_frame_impl_browsertest.cc
index 4b532aa26211cacf4f5ac518d04844148f28da5a..8828ebe6ef2db87546d9378ca36c007bd841d424 100644
--- a/content/renderer/render_frame_impl_browsertest.cc
+++ b/content/renderer/render_frame_impl_browsertest.cc
@@ -7,6 +7,7 @@
 #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"
@@ -25,6 +26,7 @@
 #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;
 
@@ -343,4 +345,32 @@ TEST_F(RenderFrameImplTest, SaveImageFromDataURL) {
   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