Remove "Search by Image" feature on Chrome for Android.

chrome/browser/android/tab_android.cc

Index: chrome/browser/android/tab_android.cc
diff --git a/chrome/browser/android/tab_android.cc b/chrome/browser/android/tab_android.cc
index d6fc3628fdb6efc98d5d6b552b48b6d85bcfee42..029e63695cdff20bfe14a7672cf6999de2d29ced 100644
--- a/chrome/browser/android/tab_android.cc
+++ b/chrome/browser/android/tab_android.cc
@@ -95,14 +95,6 @@ using content::WebContents;
 using navigation_interception::InterceptNavigationDelegate;
 using navigation_interception::NavigationParams;
 
-namespace {
-
-const int kImageSearchThumbnailMinSize = 300 * 300;
-const int kImageSearchThumbnailMaxWidth = 600;
-const int kImageSearchThumbnailMaxHeight = 600;
-
-}  // namespace
-
 TabAndroid* TabAndroid::FromWebContents(content::WebContents* web_contents) {
   CoreTabHelper* core_tab_helper = CoreTabHelper::FromWebContents(web_contents);
   if (!core_tab_helper)
@@ -760,17 +752,6 @@ void TabAndroid::LoadOriginalImage(JNIEnv* env, jobject obj) {
       render_frame_host->GetRoutingID()));
 }
 
-void TabAndroid::SearchByImageInNewTabAsync(JNIEnv* env, jobject obj) {
-  content::RenderFrameHost* render_frame_host =
-        web_contents()->GetMainFrame();
-  render_frame_host->Send(
-      new ChromeViewMsg_RequestThumbnailForContextNode(
-          render_frame_host->GetRoutingID(),
-          kImageSearchThumbnailMinSize,
-          gfx::Size(kImageSearchThumbnailMaxWidth,
-                    kImageSearchThumbnailMaxHeight)));
-}
-
 jlong TabAndroid::GetBookmarkId(JNIEnv* env,
                                jobject obj,
                                jboolean only_editable) {