Fix the warnings when build content/ with clang

content/renderer/android/content_detector.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/android/content_detector.h"
 
 #include "base/logging.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebPoint.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebHitTestResult.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSurroundingText.h"
 
 using WebKit::WebRange;
 using WebKit::WebSurroundingText;
 
 namespace content {
 
+ContentDetector::Result::Result() : valid(false) {}
+
+ContentDetector::Result::Result(const WebKit::WebRange& content_boundaries,
+                                const std::string& text,
+                                const GURL& intent_url)
+  : valid(true),
+    content_boundaries(content_boundaries),
+    text(text),
+    intent_url(intent_url) {
+}
+
+ContentDetector::Result::~Result() {}
+
 ContentDetector::Result ContentDetector::FindTappedContent(
     const WebKit::WebHitTestResult& hit_test) {
   if (hit_test.isNull())
     return Result();
 
   std::string content_text;
   WebKit::WebRange range = FindContentRange(hit_test, &content_text);
   if (range.isNull())
     return Result();
 
@@ skipping 35 matching lines @@
       } else {
         start_offset += relative_end;
       }
     }
   }
 
   return WebRange();
 }
 
 }  // namespace content