Enable Fixed Layout Mode on TOUCH_UI.

content/renderer/render_view.cc

Index: content/renderer/render_view.cc
diff --git a/content/renderer/render_view.cc b/content/renderer/render_view.cc
index 1b63862e5ae515a31fab6b863ac63b33d81709d1..7cf3bb6b1e6f0530894d284ab579bd646d26ad27 100644
--- a/content/renderer/render_view.cc
+++ b/content/renderer/render_view.cc
@@ -262,6 +262,10 @@ static const int kDelaySecondsForContentStateSync = 1;
 // The maximum number of popups that can be spawned from one page.
 static const int kMaximumNumberOfUnacknowledgedPopups = 25;
 
+// The default layout width and height for pages when fixed layout is enabled.
+static const int kDefaultLayoutWidth = 980;
+static const int kDefaultLayoutHeight = 640;
+
 static const float kScalingIncrement = 0.1f;
 
 static void GetRedirectChain(WebDataSource* ds, std::vector<GURL>* result) {
@@ -1226,6 +1230,17 @@ void RenderView::UpdateURL(WebFrame* frame) {
     accessibility_.reset();
     pending_accessibility_notifications_.clear();
   }
+  const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
+  if (cmd_line->HasSwitch(switches::kEnableFixedLayout)) {
+    // Only enable fixed layout for normal web content.
+    GURL frame_url = GURL(request.url());
+    if (frame_url.SchemeIs(chrome::kHttpScheme) ||
+        frame_url.SchemeIs(chrome::kHttpsScheme)) {
+      webview()->enableFixedLayoutMode(true);
+      webview()->setFixedLayoutSize(
+          WebSize(kDefaultLayoutWidth, kDefaultLayoutHeight));
+    }
+  }
 }
 
 // Tell the embedding application that the title of the active page has changed
@@ -1438,6 +1453,10 @@ WebExternalPopupMenu* RenderView::createExternalPopupMenu(
   return external_popup_menu_.get();
 }
 
+WebRect RenderView::getDeviceRect() const {
+  return WebRect(0, 0, size().width(), size().height());
+}
+
 RenderWidgetFullscreenPepper* RenderView::CreatePepperFullscreenContainer(
     webkit::ppapi::PluginInstance* plugin) {
   GURL active_url;