Avoid compiling RendererAccessibilityFocusOnly on Android.

We're compiling in more accessibility code on Android now,
but this file is never needed, so this cuts down on the
binary size a bit.

BUG=242953
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/17419003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@207189 0039d316-1c4b-4281-b951-d872f2087c98

content/content_renderer.gypi

@@ -370,6 +370,9 @@
       ],
     }],
     ['OS=="android"', {
+      'sources!': [
+        'renderer/accessibility/renderer_accessibility_focus_only.cc'
+      ],
       'dependencies': [
         '../third_party/libphonenumber/libphonenumber.gyp:libphonenumber',
       ],

content/renderer/render_view_impl.cc

@@ -5887,8 +5887,10 @@ void RenderViewImpl::OnSetAccessibilityMode(AccessibilityMode new_mode) {
   }
   if (accessibility_mode_ == AccessibilityModeComplete)
     renderer_accessibility_ = new RendererAccessibilityComplete(this);
+#if !defined(OS_ANDROID)
   else if (accessibility_mode_ == AccessibilityModeEditableTextOnly)
     renderer_accessibility_ = new RendererAccessibilityFocusOnly(this);
+#endif
 }
 
 void RenderViewImpl::OnSetActive(bool active) {
@@ -6630,6 +6632,11 @@ void RenderViewImpl::OnDisownOpener() {
 bool RenderViewImpl::didTapMultipleTargets(
     const WebKit::WebGestureEvent& event,
     const WebVector<WebRect>& target_rects) {
+  // Never show a disambiguation popup when accessibility is enabled,
+  // as this interferes with "touch exploration".
+  if (accessibility_mode_ == AccessibilityModeComplete)
+    return false;
+
   gfx::Rect finger_rect(
       event.x - event.data.tap.width / 2, event.y - event.data.tap.height / 2,
       event.data.tap.width, event.data.tap.height);