Implement ManifestFetcher, helper to fetch Web Manifests.

content/renderer/resource_fetcher_browsertest.cc

Index: content/renderer/resource_fetcher_browsertest.cc
diff --git a/content/renderer/resource_fetcher_browsertest.cc b/content/renderer/resource_fetcher_browsertest.cc
index 70b3d314a96b1593f97d80c4efd5a2e77c75e90a..d83e9f9039bbd056391f82583ca46928caf8355a 100644
--- a/content/renderer/resource_fetcher_browsertest.cc
+++ b/content/renderer/resource_fetcher_browsertest.cc
@@ -153,6 +153,7 @@ class ResourceFetcherTests : public ContentBrowserTest {
     fetcher->Start(frame,
                    WebURLRequest::RequestContextInternal,
                    WebURLRequest::FrameTypeNone,
+                   ResourceFetcher::PLATFORM_LOADER,
                    delegate->NewCallback());
 
     delegate->WaitForResponse();
@@ -171,6 +172,7 @@ class ResourceFetcherTests : public ContentBrowserTest {
     fetcher->Start(frame,
                    WebURLRequest::RequestContextInternal,
                    WebURLRequest::FrameTypeNone,
+                   ResourceFetcher::PLATFORM_LOADER,
                    delegate->NewCallback());
 
     delegate->WaitForResponse();
@@ -190,6 +192,7 @@ class ResourceFetcherTests : public ContentBrowserTest {
     fetcher->Start(frame,
                    WebURLRequest::RequestContextInternal,
                    WebURLRequest::FrameTypeNone,
+                   ResourceFetcher::PLATFORM_LOADER,
                    delegate->NewCallback());
 
     delegate->WaitForResponse();
@@ -210,6 +213,7 @@ class ResourceFetcherTests : public ContentBrowserTest {
     fetcher->Start(frame,
                    WebURLRequest::RequestContextInternal,
                    WebURLRequest::FrameTypeNone,
+                   ResourceFetcher::PLATFORM_LOADER,
                    delegate->NewCallback());
     fetcher->SetTimeout(base::TimeDelta());
 
@@ -231,6 +235,7 @@ class ResourceFetcherTests : public ContentBrowserTest {
     fetcher->Start(frame,
                    WebURLRequest::RequestContextInternal,
                    WebURLRequest::FrameTypeNone,
+                   ResourceFetcher::PLATFORM_LOADER,
                    delegate->NewCallback());
     fetcher->SetTimeout(base::TimeDelta());
     delegate->SetFetcher(fetcher.release());
@@ -251,6 +256,7 @@ class ResourceFetcherTests : public ContentBrowserTest {
     fetcher->Start(frame,
                    WebURLRequest::RequestContextInternal,
                    WebURLRequest::FrameTypeNone,
+                   ResourceFetcher::PLATFORM_LOADER,
                    delegate->NewCallback());
 
     delegate->WaitForResponse();
@@ -270,6 +276,7 @@ class ResourceFetcherTests : public ContentBrowserTest {
     fetcher->Start(frame,
                    WebURLRequest::RequestContextInternal,
                    WebURLRequest::FrameTypeNone,
+                   ResourceFetcher::PLATFORM_LOADER,
                    delegate->NewCallback());
 
     delegate->WaitForResponse();