Don't compile code for desktop zoom or GuestViews on mobile platforms.

content/public/test/test_browser_context.h

Index: content/public/test/test_browser_context.h
diff --git a/content/public/test/test_browser_context.h b/content/public/test/test_browser_context.h
index 2a2e3e4380065e09887e2db4be12691022beb26b..1f878d3bd305e73932d739925310ee3b1eae3eda 100644
--- a/content/public/test/test_browser_context.h
+++ b/content/public/test/test_browser_context.h
@@ -19,7 +19,9 @@ namespace content {
 class MockBackgroundSyncController;
 class MockResourceContext;
 class MockSSLHostStateDelegate;
+#if !defined(OS_ANDROID)
 class ZoomLevelDelegate;
+#endif  // !defined(OS_ANDROID)
 
 class TestBrowserContext : public BrowserContext {
  public:
@@ -42,8 +44,10 @@ class TestBrowserContext : public BrowserContext {
 
   // BrowserContext implementation.
   base::FilePath GetPath() const override;
+#if !defined(OS_ANDROID)
   std::unique_ptr<ZoomLevelDelegate> CreateZoomLevelDelegate(
       const base::FilePath& partition_path) override;
+#endif  // !defined(OS_ANDROID)
   bool IsOffTheRecord() const override;
   DownloadManagerDelegate* GetDownloadManagerDelegate() override;
   ResourceContext* GetResourceContext() override;