Implement GenerateInitiateUpload{New,Existing}FileUrl.

chrome/browser/google_apis/gdata_wapi_url_generator.cc

Index: chrome/browser/google_apis/gdata_wapi_url_generator.cc
diff --git a/chrome/browser/google_apis/gdata_wapi_url_generator.cc b/chrome/browser/google_apis/gdata_wapi_url_generator.cc
index 58bfdc23954320aed72d0c540e2a88a77a2cd4a6..2529b7b2645787d8f392445aefe046cd65738c73 100644
--- a/chrome/browser/google_apis/gdata_wapi_url_generator.cc
+++ b/chrome/browser/google_apis/gdata_wapi_url_generator.cc
@@ -42,6 +42,15 @@ const char kResourceListRootURL[] = "/feeds/default/private/full";
 // Metadata feed with things like user quota.
 const char kAccountMetadataURL[] = "/feeds/metadata/default";
 
+// URL to upload a new file under a particular directory specified by "%s".
+const char kInitiateUploadNewFileURLFormat[] =
+    "/feeds/upload/create-session/default/private/full/%s/contents";
+
+// URL to upload a file content to overwrite a file whose resource id is
+// followed by this prefix.
+const char kInitiateUploadExistingFileURLPrefix[] =
+    "/feeds/upload/create-session/default/private/full/";
+
 #ifndef NDEBUG
 // Use smaller 'page' size while debugging to ensure we hit feed reload
 // almost always. Be careful not to use something too small on account that
@@ -193,6 +202,21 @@ GURL GDataWapiUrlGenerator::GenerateResourceUrlForRemoval(
   return AddStandardUrlParams(result);
 }
 
+GURL GDataWapiUrlGenerator::GenerateInitiateUploadNewFileUrl(
+    const std::string& parent_resource_id) const {
+  GURL result = base_url_.Resolve(
+      base::StringPrintf(kInitiateUploadNewFileURLFormat,
+                         net::EscapePath(parent_resource_id).c_str()));
+  return AddInitiateUploadUrlParams(result);
+}
+
+GURL GDataWapiUrlGenerator::GenerateInitiateUploadExistingFileUrl(
+    const std::string& resource_id) const {
+  GURL result = base_url_.Resolve(
+      kInitiateUploadExistingFileURLPrefix + net::EscapePath(resource_id));
+  return AddInitiateUploadUrlParams(result);
+}
+
 GURL GDataWapiUrlGenerator::GenerateResourceListRootUrl() const {
   return AddStandardUrlParams(base_url_.Resolve(kResourceListRootURL));
 }