Add support for calculating the position of the top controls in the cc layer.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index fe8c24a415e248ea4b2dda477b2f06e9e8ab2553..9bf1697884942b11835fa6a205207b3bc0147a25 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -846,6 +846,7 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
     cc::switches::kShowNonOccludingRects,
     cc::switches::kShowOccludingRects,
     cc::switches::kTraceOverdraw,
+    cc::switches::kTopControlsHeight,
   };
   renderer_cmd->CopySwitchesFrom(browser_cmd, kSwitchNames,
                                  arraysize(kSwitchNames));
@@ -858,6 +859,13 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
     renderer_cmd->AppendSwitch(switches::kDisableMediaHistoryLogging);
 #endif
   }
+
+#if defined(OS_ANDROID)
+  if (!browser_cmd.HasSwitch(switches::kDisableFullScreen)) {
+    renderer_cmd->AppendSwitch(
+        cc::switches::kEnableTopControlsPositionCalculation);
+  }
+#endif
 }
 
 base::ProcessHandle RenderProcessHostImpl::GetHandle() {