Touch event flag should control only DOM event firing.

chrome/browser/apps/guest_view/web_view_browsertest.cc

Index: chrome/browser/apps/guest_view/web_view_browsertest.cc
diff --git a/chrome/browser/apps/guest_view/web_view_browsertest.cc b/chrome/browser/apps/guest_view/web_view_browsertest.cc
index 0328c36ef8d3d1ed504f3f17d88eed9f055eb361..12c00de0c4a2fc62abb33482ed0435a36b01e988 100644
--- a/chrome/browser/apps/guest_view/web_view_browsertest.cc
+++ b/chrome/browser/apps/guest_view/web_view_browsertest.cc
@@ -3401,9 +3401,6 @@ class WebViewGuestScrollTouchTest : public WebViewGuestScrollTest {
  protected:
   void SetUpCommandLine(base::CommandLine* command_line) override {
     WebViewGuestScrollTest::SetUpCommandLine(command_line);
-
-    command_line->AppendSwitchASCII(switches::kTouchEvents,
-                                    switches::kTouchEventsEnabled);
   }
 };
 
@@ -3523,9 +3520,6 @@ class WebViewGuestTouchFocusTest : public WebViewTestBase {
   WebViewGuestTouchFocusTest() {}
   void SetUpCommandLine(base::CommandLine* command_line) override {
     WebViewTestBase::SetUpCommandLine(command_line);
-
-    command_line->AppendSwitchASCII(switches::kTouchEvents,
-                                    switches::kTouchEventsEnabled);
   }
 
  private:
@@ -3691,9 +3685,6 @@ class WebViewScrollGuestContentTest : public WebViewTest {
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     WebViewTest::SetUpCommandLine(command_line);
-
-    command_line->AppendSwitchASCII(switches::kTouchEvents,
-                                    switches::kTouchEventsEnabled);
   }
 };
 
@@ -3767,9 +3758,6 @@ class WebViewFocusTest : public WebViewTest {
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     WebViewTest::SetUpCommandLine(command_line);
-
-    command_line->AppendSwitchASCII(switches::kTouchEvents,
-                                    switches::kTouchEventsEnabled);
   }
 
   void ForceCompositorFrame() {