Revert 96694 - Enabled scaling zoom for TOUCH_UI due to Linux Touch build breakage.

This patch depends on landing this WebKit patch first:

https://bugs.webkit.org/show_bug.cgi?id=66067


BUG=none
TEST=manually


Review URL: http://codereview.chromium.org/7619015

TBR=fsamuel@chromium.org
Review URL: http://codereview.chromium.org/7645012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@96695 0039d316-1c4b-4281-b951-d872f2087c98

content/renderer/render_view.cc

@@ -263,8 +263,6 @@ static const int kMaximumNumberOfUnacknowledgedPopups = 25;
 
 static const char kBackForwardNavigationScheme[] = "history";
 
-static const float kScalingIncrement = 0.1f;
-
 static void GetRedirectChain(WebDataSource* ds, std::vector<GURL>* result) {
   WebVector<WebURL> urls;
   ds->redirectChain(urls);
@@ -3379,7 +3377,7 @@ void RenderView::OnZoom(PageZoom::Function function) {
     return;
 
   webview()->hidePopups();
-#if !defined(TOUCH_UI)
+
   double old_zoom_level = webview()->zoomLevel();
   double zoom_level;
   if (function == PageZoom::RESET) {
@@ -3400,18 +3398,8 @@ void RenderView::OnZoom(PageZoom::Function function) {
       zoom_level = static_cast<int>(old_zoom_level);
     }
   }
+
   webview()->setZoomLevel(false, zoom_level);
-#else
-  double old_page_scale_factor = webview()->pageScaleFactor();
-  double page_scale_factor;
-  if (function == PageZoom::RESET) {
-    page_scale_factor = 1.0;
-  } else {
-    page_scale_factor = old_page_scale_factor +
-        (function > 0 ? kScalingIncrement : -kScalingIncrement);
-  }
-  webview()->scalePage(page_scale_factor, WebPoint(0, 0));
-#endif
   zoomLevelChanged();
 }