Add FrameHost mojo service

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 2a853c169037884711d27c025a54b8cfa10a5219..0f3746cb7f32f958d532a04f3e17146c2ad12016 100644
--- a/content/renderer/render_frame_impl_browsertest.cc
+++ b/content/renderer/render_frame_impl_browsertest.cc
@@ -23,6 +23,7 @@
 #include "third_party/WebKit/public/web/WebFrameOwnerProperties.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"
 
 namespace {
 const int32_t kSubframeRouteId = 20;
@@ -292,4 +293,30 @@ TEST_F(RenderFrameImplTest, EffectiveConnectionType) {
   }
 }
 
+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()->OnGotZoomLevel(common_params.url, kMinZoomLevel);
+  GetMainRenderFrame()->OnNavigate(common_params, StartNavigationParams(),
+                                   RequestNavigationParams());
+  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()->OnGotZoomLevel(common_params.url, kMaxZoomLevel);
+  GetMainRenderFrame()->OnNavigate(common_params, StartNavigationParams(),
+                                   RequestNavigationParams());
+  ProcessPendingMessages();
+  EXPECT_DOUBLE_EQ(kMaxZoomLevel, view_->GetWebView()->zoomLevel());
+}
+
 }  // namespace