Partially componentize //chrome/browser/search/search.{h,cc}

ios/public/test/test_chrome_browser_provider.h

Index: ios/public/test/test_chrome_browser_provider.h
diff --git a/ios/public/test/test_chrome_browser_provider.h b/ios/public/test/test_chrome_browser_provider.h
index f3bf1634156709918d94d7bc02051b16f9657f6f..698fa65fccae82fdb2d13fb245e2a93d26a1c89c 100644
--- a/ios/public/test/test_chrome_browser_provider.h
+++ b/ios/public/test/test_chrome_browser_provider.h
@@ -11,7 +11,6 @@
 namespace ios {
 
 class FakeProfileOAuth2TokenServiceIOSProvider;
-class FakeSearchProvider;
 class FakeStringProvider;
 
 class TestChromeBrowserProvider : public ChromeBrowserProvider {
@@ -25,11 +24,9 @@ class TestChromeBrowserProvider : public ChromeBrowserProvider {
   // ChromeBrowserProvider:
   StringProvider* GetStringProvider() override;
   const char* GetChromeUIScheme() override;
-  SearchProvider* GetSearchProvider() override;
 
  private:
   scoped_ptr<FakeStringProvider> string_provider_;
-  scoped_ptr<FakeSearchProvider> search_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(TestChromeBrowserProvider);
 };