Fix page zoom to be frame-centric for out-of-process frames.

content/renderer/render_view_browsertest.cc

Index: content/renderer/render_view_browsertest.cc
diff --git a/content/renderer/render_view_browsertest.cc b/content/renderer/render_view_browsertest.cc
index 1ec29e2e4bb415146c2d72df96d25e351d18f0db..7d6f3cc55db0c7dcb3be88ed1b45824f5a2d1ae7 100644
--- a/content/renderer/render_view_browsertest.cc
+++ b/content/renderer/render_view_browsertest.cc
@@ -365,10 +365,6 @@ class RenderViewImplTest : public RenderViewTest {
     return view()->preferred_size_;
   }
 
-  void SetZoomLevel(double level) {
-    view()->OnSetZoomLevelForView(false, level);
-  }
-
  private:
   scoped_ptr<MockKeyboard> mock_keyboard_;
 };
@@ -2101,7 +2097,11 @@ TEST_F(RenderViewImplTest, PreferredSizeZoomed) {
   gfx::Size size = GetPreferredSize();
   EXPECT_EQ(gfx::Size(400, 400), size);
 
-  SetZoomLevel(ZoomFactorToZoomLevel(2.0));
+  double zoom_level = ZoomFactorToZoomLevel(2.0);
+  // We must call webview()->setZoomLevel() separately, since SetZoomLevel()
+  // now just notifies RenderViewObservers.
+  view()->webview()->setZoomLevel(zoom_level);

[alexmos, 2016/04/07 23:48:08]

Is this change still necessary?  You've reverted SetZoomLevel to still call
webview()->setZoomLevel() now.

[wjmaclean, 2016/04/08 20:13:29]

Done.

+
   size = GetPreferredSize();
   EXPECT_EQ(gfx::Size(800, 800), size);
 }