Revert of Remove dependency of c/b/loader on c/b/host_zoom_map_impl.h

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index d4e45b550e7859dadf577e8cef3a3788db0f9cd9..cacdbad4c8008960d977b41cc345a2b06216ce86 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -1282,6 +1282,8 @@
                         OnSetEditCommandsForNextKeyEvent)
     IPC_MESSAGE_HANDLER(ViewMsg_SetPageScale, OnSetPageScale)
     IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
+    IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
+                        OnSetZoomLevelForLoadingURL)
     IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
                         OnResetPageEncodingToDefault)
@@ -2254,6 +2256,21 @@
   zoomLevelChanged();
 }
 
+void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
+                                                 double zoom_level) {
+  // TODO(wjmaclean): We should see if this restriction is really necessary,
+  // since it isn't enforced in other parts of the page zoom system (e.g.
+  // when a users changes the zoom of a currently displayed page). Android
+  // has no UI for this, so in theory the following code would normally just use
+  // the default zoom anyways.
+#if !defined(OS_ANDROID)
+  // On Android, page zoom isn't used, and in case of WebView, text zoom is used
+  // for legacy WebView text scaling emulation. Thus, the code that resets
+  // the zoom level from this map will be effectively resetting text zoom level.
+  host_zoom_levels_[url] = zoom_level;
+#endif
+}
+
 void RenderViewImpl::OnSetZoomLevel(
     PageMsg_SetZoomLevel_Command command,
     double zoom_level) {